1. (a.) Fit or fitted; suited; suitable; appropriate.

2. (a.) Having an habitual tendency; habitually liable or likely; -- used of things.

3. (a.) Inclined; disposed customarily; given; ready; -- used of persons.

4. (a.) Ready; especially fitted or qualified (to do something); quick to learn; prompt; expert; as, a pupil apt to learn; an apt scholar.

5. (v. t.) To fit; to suit; to adapt.