(philately) A postage stamp that has not been perforated.

Against imperialist ideals and practices.

One who opposes imperialism.

Any belief or practice which opposes imperialism.

(grammar) The imperfect tense in the subjunctive mood.

The imperfect tense in the indicative mood

plural of imperial pint

(formal) he; him (in reference to a (male) emperor)

(grammar) Of or pertaining to the imperative mood.

A grammatical tense which expresses the past as an action which was still going on at the point in time described, say someone "was ...ing" something, as opposed to the already accomplished counterpart past perfect tense (where the action took place even further in the past)