apt

Short definition from Wiktionary

Adjective

1. 1
   Suitable; appropriate; fit or fitted; suited.
2. 2
   Having a habitual tendency; habitually liable or likely; disposed towards.
3. 3
   Ready; especially fitted or qualified (to do something); quick to learn.

Noun

1. 1
   Abbreviation of apartment.
2. 2
   Initialism of automation presses tooling.
3. 3
   Initialism of advanced passenger train.
4. 4
   Abbreviation of apartment, preferred by the United States Postal Service; compare Apt. and apt..
5. 5
   Initialism of advanced persistent threat.
6. 6
   Initialism of arbitrage pricing theory.
7. 7
   Initialism of anatomical pathology technologist.
8. 8
   Initialism of acyl protein thioesterase.

Proper noun

1. 1
   Initialism of automatically programmed tool: a high-level language for numerically controlled machine tools.
2. 2
   Initialism of advanced packaging tool: a package management system used by Debian and Debian-based distributions, also used by other Linux distributions.
3. 3
   Initialism of Alabama Public Television.
4. 4
   Initialism of American Public Television.
5. 5
   A surname.