adj.
1.of or relating to or characteristic of or inhabiting a colony
2.of animals who live in colonies, such as ants
3.composed of many distinct individuals united to form a whole or colony colonial n.
1.a resident of a colony
Idiom of the Day
put (someone or something) out of one's head or mind
to try not to think about someone or something
My friend has been trying to put his girlfriend out of his mind since they stopped seeing each other.