• (GA) IPA: /æpt/
• (British) IPA: /apt/

apt (comparative apter, superlative aptest)

1. Suitable; appropriate; fit or fitted; suited.

   Synonyms: appropriate, meet, suitable, Thesaurus:pertinent, Thesaurus:suitable

   an apt metaphor

   • a river […] apt to be forded by a lamb

2. (of persons or things) Having a habitual tendency; habitually liable or likely; disposed towards.

   Synonyms: disposed, inclined, liable, predisposed, tending towards, Thesaurus:inclined

   • My vines and peaches […] were apt to have a soot or smuttiness upon their leaves and fruit.

   • This tree, if unprotected, is apt to be stripped of its leaves by a leaf-cutting ant.

   • that lofty pity with which prosperous folk are apt to remember their grandfathers

3. Ready; especially fitted or qualified (to do something); quick to learn.

   Synonyms: fit, prompt, expert, qualified, ready, Thesaurus:skilled

   a pupil apt to learn

   an apt scholar

   • an apt wit

   • 1599, William Shakespeare, “The Tragedie of Ivlivs Cæsar”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act III, scene i]:

     Fulfill your pleasure. Live a thousand years, / I shall not find myself so apt to die.

• adept
• aptitude
• attitude
• inept

• German: geeignet, passend
• Italian: adatto, appropriato, idoneo (formal), confacente (formal)
• Portuguese: apto
• Russian: подходя́щий
• Spanish: apto, apropiado, acertado, oportuno

• German: geneigt
• Italian: tendente
• Russian: скло́нный

• Portuguese: apto
• Russian: спосо́бный

apt (plural apts)

1. An apartment; a flat.
   • 2010, David Dondero, Just a Baby in Your Momma's Eyes

     Where our apt used to be they built a fancy condominium high-rise.
     Which at a lowly income none of us could ever really quite afford.

apt (plural apts)

1. Initialism of automation presses tooling
2. Initialism of advanced packaging tool
3. (UK, rail transport) Initialism of advanced passenger train
4. (US) Abbreviation of apartment#English|apartment. (APT is preferred by the United States Postal Service; compare Apt. and apt.)
5. Initialism of arbitrage pricing theory
6. Initialism of automatically programmed tool
7. (UK, healthcare) Initialism of anatomical pathology technologist
8. (biochemistry) Initialism of acyl protein thioesterase

1. Initialism of Alabama Public Television
2. Initialism of American Public Television