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eusocial

American  
[yoo-soh-shuhl] / juˈsoʊ ʃəl /

adjective

Animal Behavior.
  1. of or relating to a form of insect society, as that of ants, characterized by specialization of tasks and cooperative care of the young.


Other Word Forms

Etymology

Origin of eusocial

First recorded in 1970–75; eu- + social

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In eusocial colonies, reproduction is divided between queens and workers, creating highly cooperative societies with specialized roles.

From Science Daily Aug. 15, 2026

The sociable, or eusocial, nature of naked mole rat communities means they're basically all siblings or cousins.

From Salon May 11, 2025

“It’s something that has evolved either shortly after ants became eusocial or maybe even before ants becoming social,” says co-author Daniel Kronauer, a biologist at the Rockefeller University.

From Scientific American Dec. 2, 2022

Like bees, they are eusocial: they have a bewildering array of different forms and a single monarch, the Grand Lunar.

From Nature Jul. 8, 2019

Honeybees are eusocial creatures, making them one of the most studied insects on the planet.

From The Guardian Oct. 16, 2018

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