Meaning of “worm” in the English Dictionary

"worm" in English

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uk /wɜːm/ us /wɝːm/

B2 [ C ] a small animal with a long, narrow, soft body without arms, legs, or bones:

The kiwi bird eats worms, other invertebrates, and berries.

[ C ] the young of particular types of insect:

It's distressing enough to find a worm in your apple but finding half of one is worse.
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[ C ] a type of worm that lives in an animal's intestine, feeding on the food there, or on an animal's body, feeding off its blood:

a parasitic worm
The vet says our dog has worms.
See also

[ S ] informal old-fashioned an unpleasant person who does not deserve respect:

Don't be such a worm. You don't have to lie to me.

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uk /wɜːm/ us /wɝːm/

(Definition of “worm” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"worm" in American English

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wormnoun [ C ]

us /wɜrm/

worm noun [ C ] (ANIMAL)

a small animal with a long, narrow, soft body without legs or bones

worm verb [ T always + adv/prep ] (MOVE SLOWLY)

to move slowly or carefully through a crowd or tight space:

He wormed his way through the crowd as quickly as he could.
fig. He was a distant relation who wormed his way into the confidence of the family.

(Definition of “worm” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"worm" in Business English

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wormnoun [ C ]

uk /wɜːm/ us IT

a computer program that can send copies of itself to other computers and is designed to prevent the computers from working normally:

When users click an infected attachment, the worm opens a "back door" that hackers can use.

(Definition of “worm” from the Cambridge Business English Dictionary © Cambridge University Press)