One of the mysteries of the English language finally explained.
1Either of two small wingless parasitic insects that live on the skin of mammals and birds.
('sucking louse') an insect with piercing mouthparts, found only on mammals (order Anoplura or Siphunculata).See also body louse, head louse
('biting louse') an insect with a large head and jaws, found chiefly on birds (order Mallophaga).
- ‘The main effect of feather lice on their bird hosts is feather damage.’
- ‘Presumably mineral oil is acting like petroleum jelly to smother the live lice and loosen nits.’
- ‘Control of poultry lice requires treating the birds since lice remain on the bird throughout its life.’
- ‘Beds were made from straw, which of course is a home for insects of all kinds, particularly fleas, lice, and tics.’
- ‘Head lice are insects that live on the scalp and neck.’
- ‘Only the presence of live lice can confirm diagnosis of active infection.’
- ‘Petroleum jelly, mayonnaise and mineral oil seem to smother live lice.’
- ‘I haven't seen a live louse on her head since last Wednesday.’
- ‘Treatment should be repeated after seven to 10 days if live lice are present.’
- ‘The gold standard for diagnosing head lice is finding a live louse on the head, which can be difficult.’
- ‘Head lice are small, wingless insects that can get on the hair and scalp of humans.’
- ‘As a result of their cramped conditions, diseases such as eye cataracts and parasitic sea lice are rife, the group claims.’
- ‘As earlier research had shown, they found a major split among lice species that live on apes and on monkeys and other primates.’
- ‘Villagers also cited skin, lice, and saliva as carriers of the disease.’
- ‘Some germs rely on insects - such as mosquitoes, fleas, lice or ticks - to move from host to host.’
- ‘You only treat for head lice if you find live lice in the hair.’
- ‘There are also flies whose larvae develop only in the tracheal passages of red kangaroos and lice that live in the throat pouches of cormorants and pelicans.’
- ‘A strong solution of it can even remove lice or other skin parasites.’
- ‘Head lice are insects living on the human scalp and feeding on blood.’
- ‘Before treatment, live lice must be identified under a magnifying glass, which is best done when the hair is wet.’
- 1.1 Used in names of small invertebrates that parasitize aquatic animals or infest plants, e.g. fish louse.
- ‘Sea spiders and sea lice have a cavity of body fluid as salty as the sea itself.’
- ‘They are also hosts to a number of blood parasites and feather lice.’
- ‘Sea trout numbers collapsed in 1989 with many sea trout caught in the net heavily infested with sea lice.’
- ‘Stalked barnacles and whale lice often attach to the exposed teeth..’
- ‘It is the realm of periwinkles, limpets, rock lice, and barnacles.’
2informal A contemptible or unpleasant person.
scoundrel, villain, rogue, rascal, brute, animal, weasel, snake, monster, ogre, wretch, devil, good-for-nothing, reprobate, wrongdoer, evil-doerView synonyms
- ‘His characters were cads, letches, and leering louses, but they effectively tapped a bit of that inappropriate urge in us all.’
- ‘He said that, among the others using that network, there could be louses looking for their next attack target.’
- ‘Since his original plan of using leftover roach motels now seems impractical, Jack must devise a better means of sending these unlicensed louses back to where they belong.’
- ‘All of these characters - if we can indeed call them that - are despicable louses that lie, cheat, and backstab each other in the name of comedy and TV ratings.’
- ‘The louses are just plain nasty drivers who don't give a damn about anyone but themselves.’
1louse something upinformal Spoil or ruin something.‘he loused up my promotion chances’
wreck, ruin, spoil, disrupt, undo, upset, play havoc with, make a mess of, put an end to, end, bring to an end, put a stop to, terminate, prevent, frustrate, blight, crush, quell, quash, dash, scotch, shatter, vitiate, blast, devastate, demolish, sabotage, torpedoView synonyms
- ‘They then took this cleaner to their design team who loused it up for probably for more money!’
- ‘Your summer has been a colossal mess, but other folks have been lousing things up, too.’
- ‘However, the mechanic loused it up, but tried to convince me that that was as good as those engines could get.’
- ‘The film really tries to delve into the Romulus / Remus iconography of brotherhood, but louses it up tremendously.’
- ‘And I can see why he probably said that - the event should garner some positive local press for the party and they might not want to louse it up with an incident involving police.’
- ‘Rebecca has an unerring ear for the ways mismatched people relate, an open heart for the ways they louse things up.’
- ‘Without had evidence in front of me, I'm inclined to believe older browsers like that would louse it up.’
- ‘But then she had to go and louse it up by acting like a damn pop star.’
- ‘Let's not louse it up by letting someone else take over and make the rules for us.’
- ‘The assumption, as is often the case with this cretaceous era of computer software, is that someone else has loused it up for them.’
- ‘Too bad they loused it up with predictable plot elements and assorted screwball humor.’
- ‘Sorry for being such a dope but this is my first dedicated server and I prefer not to louse it up right off!’
- ‘If he loused it up in any way, everybody would laugh and they would do it over again.’
- ‘The brain trust decided to ‘fix’ it after that one year and loused it up royally.’
- ‘They take perfectly good water and louse it up with kiwi and strawberry.’
- ‘The thing that I really heard was ‘Let's not louse it up with a lot of psychobabble.’’
- ‘This could have been excellent and by far the best version of the game, so it's a shame they loused it up so badly.’
2archaic Remove lice from.
- ‘They were lousing each other; and it surprised us that they did not discontinue their work + as we entered.’
- ‘When the girl and the lion first appear in the tale we are told that she is lousing him, which illustrates the bond between them.’
- ‘The grandmother began lousing him again and soon he was asleep and snoring loud enough to rattle the windows.’
Old English lūs, (plural) lȳs, of Germanic origin; related to Dutch luis, German Laus.
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