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Definition of ant in English:


A small insect typically having a sting and living in a complex social colony with one or more breeding queens. It is wingless except for fertile adults, which form large mating swarms, and is proverbial for its industriousness.
  • Family Formicidae, order Hymenoptera: several subfamilies
Example sentences
  • The next time either of those two ants meet any other ant, the information they pass on will be different.
  • To scientists, that's as bizarre a finding as a queen bee spawning a colony of ants.
  • He has red hair, shouts incessantly and moves as though a colony of ants has invaded his tracksuit trousers.


Old English ǣmete of West Germanic origin; related to German Ameise. Compare with emmet.


have ants in one's pants

informal Be fidgety or restless: what’s the matter with you, always fidgeting—you got ants in your pants?
More example sentences
  • Maybe it's just God trying to tell me to keep still and stop acting like I have ants in my pants, to just be calm and happy that all is well.
  • He appeared to have ants in his pants, refusing to stand still for a minute.
  • I have so much energy that the little kids I baby-sit told me it looks like I have ants in my pants.

Definition of ant in:

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