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eusocial

American  
[yoo-soh-shuhl] / yuˈsoʊ 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

  • eusociality noun

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.

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

From Salon • May 11, 2025

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

It is the world’s only eusocial mammal, with hundreds of sterile workers serving a single, constantly pregnant queen.

From The New Yorker • Jun. 1, 2017

In eusocial organisms, controlling conflict—through castes, for instance, which make it very clear who gives way to whom—allows them to live together.

From Scientific American • Dec. 1, 2015