adjective
1.
having a tendency or inclination
it is apt to be cool late in the evening
Synonyms: given, inclined, liable, likely, prone
Related Word: disposed, minded, predisposed
Contrasted words: averse, disinclined, indisposed, loath; doubtful, improbable, unlikely
2.
Synonyms: fit 1, appropriate, befitting, felicitous, fitting, happy, just, meet, proper, suitable
Related Word: apposite, apropos, pertinent, relevant; compelling, convincing, telling; exact, nice, precise
Contrasted words: awkward, clumsy, maladroit
Antonyms: inapt, inept
3.
Synonyms: quick 2, prompt, ready
Related Word: alert, brainy, bright; gifted, talented
Contrasted words: laggard