Definition of butterfly in English:



  • 1An insect with two pairs of large wings that are covered with tiny scales, usually brightly colored, and typically held erect when at rest. Butterflies fly by day, have clubbed or dilated antennae, and usually feed on nectar.

    • ‘The real kicker for this cover is its silvery, holographic pattern of a butterfly's wing as a background to the larger white silhouette.’
    • ‘Secondary pollinators were diurnal hawk moths and butterflies.’
    • ‘Though some plants are pollinated by bats, birds, butterflies, moths, and wasps, most of the work is done by bees.’
    • ‘In his museum at Tring, which is just north-west of London, he had two and a quarter million butterflies and moths alone.’
    • ‘There's the butterfly house, a riot of colourful plants and animals with more than 60 species of butterflies and moths.’
    • ‘She brought with her a collection of bees, butterflies, flies, moths, and others.’
    • ‘This is a bacteria that is only harmful to Lepidoptera - butterflies and moths.’
    • ‘For example, the differences between forewings and hindwings of insects with two pairs of wings, such as butterflies, are probably regulated by the Ubx gene.’
    • ‘These are visited by a diverse array of animals, including bees, hawk moths, beetles, butterflies, long-tongued flies, hummingbirds and bats.’
    • ‘The Peaks are also a stronghold for the striking green hairstreak butterfly and the emperor moth, which feeds on heather.’
    • ‘Tiny scales cover the adult butterfly's wings that aid them during these critical searches.’
    • ‘The toxins derived from this variety are toxic only to the larvae of butterflies and moths.’
    • ‘As well as their important compost-creating role, nettles also provide excellent food for some butterflies and moths and are much-loved by ladybirds.’
    • ‘Where have all the butterflies, moths and bees gone?’
    • ‘In the windows passers-by will see a plethora of wildlife, including butterflies, insects and moths, which have lived in the building at one point in its history.’
    • ‘There were colourful butterflies, moths, monkeys and lizards and for visitors all this wonderful wildlife could be seem from walkways strung high in the air from the upper branches.’
    • ‘They are absurd, attractive, brightly coloured butterflies about to be pinned down by the coming conflict in Europe.’
    • ‘Bombyx shares this problem with other moths and butterflies (Lepidoptera).’
    • ‘We find many examples of this in insects, such as butterflies and Orthopterans.’
    • ‘Large numbers of butterflies and moths are flying in most fields and another generation of many pests is likely.’
    1. 1.1 A showy or frivolous person.
      ‘a social butterfly’
      • ‘Are you kind of a social butterfly, do you think?’
      • ‘She seemed a social butterfly to him, and in one morning, she had already been invited to five places, and she assured all five people she'd call them and discuss details.’
      • ‘I always had friends, but I was never a social butterfly.’
      • ‘And the page was not the preferred location for social butterflies.’
      • ‘In result, she's the social butterfly of our little triangle.’
      • ‘As I've already said, I'm not exactly a social butterfly.’
      • ‘Her entries range from those of a social butterfly, flitting from one society event to another, to horrific accounts of the bombing of Berlin and Vienna.’
      • ‘Social butterflies were in their element during Seniors Week 2002, which came to a close on the weekend.’
      • ‘The social butterfly was also a very hard worker.’
      • ‘Friday still will be family night, although our daughter, Adrienne, is 14 and has become a social butterfly.’
      • ‘After years of hiding away, will they suddenly become social butterflies, ready to take on the world?’
      • ‘We're not social butterflies so we don't do all that much of that.’
      • ‘I have decided that I'm not cut out to be a social butterfly.’
      • ‘Even though I was a social butterfly for the most part, any time I didn't have anything to do, I would drink.’
      • ‘If you are a quiet mouse you can never become a social butterfly.’
      • ‘Beth has never exactly been the social butterfly.’
      • ‘And while I'm the first to admit that I'm not a social butterfly or anything, I'm not really hated either.’
      • ‘But Max, who is actually much more of a social butterfly than I am, insisted.’
      • ‘I not a social butterfly per se, but I like to go out.’
      • ‘It started off like any other school year; Liz being a social butterfly, and me being totally silent around her other friends.’
    2. 1.2butterfliesinformal A fluttering and nauseated sensation felt in the stomach when one is nervous.
      • ‘His stance was relaxed, almost lazy and languid, and I felt butterflies fluttering around my stomach when he caught my gaze and held it.’
      • ‘The way Michael was looking Jessica over made the butterflies in her stomach flutter and spin.’
      • ‘Marie shook her head; trying to ward off the butterflies fluttering nervously about in her stomach.’
      • ‘My heart pounded, and the butterflies in my stomach fluttered.’
      • ‘This was to be my first real public duty as a guardsman and butterflies fluttered in my stomach.’
      • ‘Oh, how she missed those mystifying green eyes and that dashingly handsome smile that sent fluttering butterflies down her stomach.’
      • ‘He still felt a great sensation of butterflies in his stomach though, now more so than ever, as he had no idea what to expect.’
      • ‘Amanda felt the butterflies in her stomach flutter their wings as she approached the stables.’
      • ‘No, I was thinking about how the light shined into his hair and how his nervous chuckle caused butterflies in my stomach.’
      • ‘My heart was beating against the walls of my rib cage and there was a flutter of butterflies in my stomach.’
      • ‘She felt the butterflies fluttering in her stomach and she prayed they would never go away.’
      • ‘I'm not yet a good driver, nor a completely confident one but at least the idea of doing it no longer sets butterflies fluttering in my stomach.’
      • ‘I began to feel the beginnings of butterflies fluttering in my stomach.’
      • ‘His Adam's apple bobbed up and down, which sent butterflies fluttering in her stomach.’
      • ‘Lethya walked down the hall, butterflies fluttering in her stomach.’
      • ‘With butterflies fluttering in their stomachs, pupils flocked to their schools to find out if all their hard work had paid off.’
      • ‘Their eyes locked and Lily felt the butterflies fluttering in her stomach.’
      • ‘The rest of the week flew by, and as Friday rehearsal rolled around, I was getting nervous butterflies in my stomach.’
      • ‘I exclaimed with a smile trying to hide the nervous butterflies in my stomach.’
      • ‘Nervous butterflies fluttered in her stomach every time a messenger or lower official left Orwell's tent for fear that it might be Smith.’
    3. 1.3[in singular] A stroke in swimming in which both arms are raised out of the water and lifted forward together.
      • ‘Any swimming stroke will help improve your stride, but the butterfly translates best to cross-country skiing.’
      • ‘If you take a forward breath in butterfly, the idea is to keep your eyes down and your head low.’
      • ‘The other butterfly champs, Jedrejczak and Kammerling, finished second and third.’
      • ‘In butterfly, shoulder flexibility can facilitate the arm recovery and can save energy for the important underwater pull.’
      • ‘Jenny's freestyle refinements might not have happened if she had not been hungry to swim a better butterfly.’
      • ‘She is also the only woman to have won golds in three different strokes - freestyle, backstroke and butterfly.’
      • ‘Reese predicts that the bulk of the team's points will come from middle distance freestyle, butterfly, backstroke and diving.’
      • ‘Backstroke and butterfly are OK, but they're not as good as the other two.’
      • ‘She then backed up to win a bronze medal behind the USA's Thompson in the 50m butterfly in a time of 26.53.’
      • ‘This includes butterfly obviously another dangerous swimming stroke!’
      • ‘He was second in freestyle, third in both backstroke and butterfly and fourth in breaststroke.’
      • ‘After you've taught the butterfly, add dolphin kick on the back to backstroke instruction.’
      • ‘Her only weak stroke was the butterfly, and this stood in the way of her improving in the IM events.’
      • ‘When swimming the butterfly, the breathing pattern all depends on the hips.’
      • ‘In the butterfly, Marshall ranks among the national leaders, as does Torpey.’
      • ‘For butterfly, your hands will continue to press the water under your body.’
      • ‘In the open gala, Amy Clayden produced superb form to claim gold in the butterfly, backstroke and freestyle and a silver in the individual medley.’
      • ‘This exercise also plays a vital role in swimming during stroke recovery in the freestyle, butterfly and backstroke.’
      • ‘Two kicks give roughly the same distance as a full butterfly stroke.’
      • ‘Performing drills that focus on breathing, timing and acceleration can help a swimmer grasp the finer points of swimming butterfly.’
    4. 1.4[as modifier] Having a two-lobed shape resembling the spread wings of a butterfly.
      ‘a butterfly clip’
      • ‘Ji Ah's eyelids fluttered like butterfly wings, and were laced with delicate blue veins, and defined by thick lashes.’
      • ‘All the bauhinias have two-lobed butterfly leaves.’
      • ‘Of course, the tiny, sparkly magenta butterfly clips in the man's hair still bothered Kyle a bit.’
      • ‘My brother's blue wide apart butterfly wing eyes, a lazy eye made them look wider, and curly eyelashes.’
      • ‘I twisted back half my hair with 3 butterfly clips and left the rest long and curly.’
      • ‘Back on the ground, we sat up straight and drew our feet together into a butterfly.’
      • ‘Her long, straight blond hair was piled messily on top of her head and twinkled with sparkly butterfly clips and hairpins.’
      • ‘She had jazzed up her short curls with butterfly clips.’
      • ‘Is it because the shop was out of butterfly clips?’
      • ‘Her long bangs stayed in place, pulled back by dark purple butterfly clips.’
      • ‘Tina Hyland was wearing butterfly clips in her hair.’
      • ‘When you stand and look down at the seed bed you see butterfly shapes strung along a black pipe, for the water has gently washed the ground into four linked circles at each irrigation point.’
      • ‘Examples for this progress are the discovery of the genetic basis for the evolution of butterfly wing patterns and for the evolution of arthropod body regions.’
      • ‘The box stated that it made 16 butterfly cakes, which are basically plain fairy cakes, with the top sliced off, filled with icing and then the top of the cake is halved and put back on to look like wings.’
      • ‘She shuddered slightly and I dug through the basket on the back of the toilet, pulling out a butterfly clip and pulling back her bangs with it before staring to braid the rest.’
      • ‘Bizcochito, an anise-flavored sugar cookie molded by hand into a butterfly shape.’
      • ‘To make butterfly, moth, or dragonfly wings, cut vellum into symmetrical curves.’
      • ‘The butterfly hair clip, however, lay with wings down on her dresser, as if mocking her resolve.’
      • ‘This recipe will make a Victoria sandwich or alternatively will make approximately 18 butterfly cakes.’
      • ‘Just then Delilah skipped up, her blonde hair pulled back into sparkly butterfly clips.’


  • Split (a piece of meat) almost in two and spread it out flat.

    ‘butterflied shrimp’
    • ‘We decided to go with the 12-pounder and the man cut its head off, cut its tail off, shaved off the scales, butterflied it and deboned it.’
    • ‘These shrimp stand in silent rebuke to their unfortunate cousins that are butterflied and flattened by less sensitive restaurants.’
    • ‘Generally in Tasmania fresh quail is sold butterflied.’
    • ‘We had some the other night as a treat, butterflied and grilled.’
    • ‘So I butterflied it - yielding two pieces that were about 1/2 an inch thick.’
    • ‘Go to your local butcher and ask for two tenderloin steaks to be butterflied to about a one centimetre thickness.’
    • ‘The red snapper we had chosen came to the table deboned and butterflied, where it was served onto our plates with a garnish of endive, radicchio, lemon wedges and capers.’
    • ‘When ordered, the hot dogs are split lengthwise and butterflied on the grill for one last blast of heat.’
    • ‘The only fried food I took issue with here was the shrimp, butterflied and flattened to the point where any juices they had once possessed were only a memory.’
    • ‘He carries lamb in medallions, butterflied, frenched, minced, diced, sliced and stroganoffed.’


Old English, from butter + fly; perhaps from the cream or yellow color of common species, or from an old belief that the insects stole butter.