Standard Lemma guide

eusocial

adj · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

adj

Meaning 1

Of or pertaining to certain social animals' societies (such as those of ants) in which sterile individuals work for reproductive individuals whose genetic endowment they share.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *h1wes- Proto-Indo-European *-us Proto-Indo-European *h1wésus? Proto-Indo-European *h1es-? Proto-Indo-European *h1su- Proto-Hellenic *ehu- Ancient Greek ἐΰς (eǘs) Ancient Greek εὖ (eû)der. English eu- Proto-Indo-European *sekw- Proto-Indo-European *-h2 Proto-Indo-European *-éh2 Proto-Indo-European *sokwéh2 Proto-Indo-European *-ṓy Proto-Indo-European *sokwh2ṓy Proto-Indo-European *-yós Proto-Indo-European *sokwyós Proto-Italic *sokjos Latin sokios Latin socius Proto-Indo-European *h2el-der.? Proto-Italic *-ālis Latin -ālis Latin sociālisbor. Middle French socialbor. English social English eusocial From eu- + social.

Across languages

Translations

4 source translations are retained for this English entry.

  • French: eusocial — pertaining to societies in which sterile individuals work for reproductive individuals
  • German: eusozial — pertaining to societies in which sterile individuals work for reproductive individuals
  • Polish: eusocjalny — pertaining to societies in which sterile individuals work for reproductive individuals
  • Spanish: eusocial — pertaining to societies in which sterile individuals work for reproductive individuals
Real reading context

eusocial in complete knowledge articles