Main definitions of loon in English

: loon1loon2

loon1

noun

informal
  • A silly or foolish person.

    • ‘And yes, we jumped up and down and hugged like absolute loons.’
    • ‘And for another, hanging them on your lapel makes you look like a dork, or worse yet a loon.’
    • ‘Instead of discussing the points he raises - points where most reasonable people would say reasonable people can disagree - you've all turned loons.’
    • ‘Prizes should be delivered to the TV director who cut to their box in time to catch him grinning like a loon, boffing a balloon about with his feet and hands.’
    • ‘It is de rigueur to ridicule them - of course they are laughable loons!’
    • ‘Here, a sheepish young yakuza is ordered to kill his insane boss but things go awry when his elder disappears in a town full of loons, zombies, and halfwits.’
    • ‘We used to date sisters and we're both crazy as loons, so we have that much in common.’
    • ‘This is probably because we're not paranoid loons desperate for any pretext to start a fight.’
    • ‘Advice: do not wear and use hands-free kits for phones after dark unless you want people to think that you are a total loon.’
    • ‘And I'd cheer too, waving like a loon from the sidelines.’
    • ‘I love this comic, despite the fact Sim has degenerated into a frothing loon.’
    • ‘Our local happy loons have nominated a sacrifice candidate to stand for Parliament - though they're a little unclear as to which electorate.’
    • ‘What's important to you may not be important to anyone else, and what's important to me may make you think I'm a loon.’
    • ‘‘Yes, ma'am,’ said our director, grinning like a loon.’
    • ‘They have the tendency to wear loud shirts and smile at you like loons.’
    • ‘Not to be outdone, Adams takes over drumming duties, grinning like a loon.’
    • ‘I'm aware that's an unpopular thing to say, and that many consider him a loon.’
    • ‘‘Alright then,’ said I and followed him into my parent's sitting room where he plinked and plonked what can only be described as ‘radical jazz’ on the piano and I danced around like a loon.’
    • ‘The feeling of take-off makes me grin like a loon.’
    • ‘The 21-year-old waitress said: ‘I'm a bit of a loon but I think my personality will be perfect for a girl group as I'm great at getting everyone to laugh.’’
    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
    View synonyms

Origin

Late 19th century: from loon (referring to the bird's actions when escaping from danger), perhaps influenced by loony.

Pronunciation:

loon

/lo͞on/

Main definitions of loon in English

: loon1loon2

loon2

noun

North American
  • A large diving waterbird with a sleek black or gray head, a straight pointed bill, and short legs set far back under the body. Loons breed by lakes in northern latitudes and have wailing calls.

    • ‘Studies show that more than 55 percent of loon deaths in the Northeast are caused by lead tackle, which has also proven fatal to at least two dozen other species, including bald eagles that eat contaminated prey.’
    • ‘Some interesting exceptions to the correlation between body size and pneumaticity occur in birds that dive underwater to feed, such as grebes, loons, and penguins.’
    • ‘All other birds, from loons and penguins to woodpeckers and sparrows, are placed together in the third main lineage, the Neoaves.’
    • ‘In modern divers, such as the penguin and loon, the wings are also shaped so that the surface presented to the water is a smooth, hydrodynamic curve.’
    • ‘Flamingos are conceded by all to be closely linked to pelicans, albatrosses, loons, probably penguins, and the like - the charadriomorph lineage.’

Origin

Mid 17th century: probably by alteration of Shetland dialect loom, denoting especially a guillemot or a diver, from Old Norse.

Pronunciation:

loon

/lo͞on/