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
lay off (workers/staff) or lay (workers/staff) off
to reduce the number of workers
Six hundred workers at the automobile factory were recently laid off.