An ant is an insect that lives and works in a large colony of ants. Most ants don't have wings, and some of them have stingers.

Ants are related to both bees and wasps, and like them are social insects. Ant colonies can include anywhere from a few dozen to millions of ants, divided into jobs or castes. There isn't a continent in the world that doesn't have ants living there. The Middle English word for ant was ampte, from the Old English æmette and a Germanic root.

Definitions of ant
  1. noun
    social insect living in organized colonies; characteristically the males and fertile queen have wings during breeding season; wingless sterile females are the workers
    synonyms: emmet, pismire
    see moresee less
    show 12 types...
    hide 12 types...
    Monomorium pharaonis, pharaoh ant, pharaoh's ant
    small red ant of warm regions; a common household pest
    Monomorium minimum, little black ant
    tiny glossy black ant; nests outdoors but invades houses for food
    army ant, driver ant, legionary ant
    tropical nomadic ant that preys mainly on other insects
    carpenter ant
    ant that nests in decaying wood in which it bores tunnels for depositing eggs
    fire ant
    omnivorous ant of tropical and subtropical America that can inflict a painful sting
    Formica rufa, wood ant
    reddish-brown European ant typically living in anthills in woodlands
    slave ant
    any of various ants captured as larvae and enslaved by another species
    slave-maker, slave-making ant
    an ant that attacks colonies of other ant species and carries off the young to be reared as slave ants
    bulldog ant
    any of the large fierce Australian ants of the genus Myrmecia
    Formica fusca
    an ant frequently enslaved
    Formica sanguinea, sanguinary ant
    slave-making ant widely distributed over the northern hemisphere
    Amazon ant, Polyergus rufescens
    small reddish slave-making ant species
    type of:
    hymenopter, hymenopteran, hymenopteron, hymenopterous insect
    insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
Word Family

Test prep from the experts

Boost your test score with programs developed by’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.


  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week


  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week