aptitude

1 a habitual attraction to some activity or thing bored teenagers with an aptitude for getting into trouble Synonyms affection, affinity, inclination, bent, bias, bone, devices, disposition, genius, habitude, impulse, leaning, partiality, penchant, predilection, predisposition, proclivity, propensity, tendency, turnRelated Words favor, one-sidedness, partisanship, prejudice; endowment, faculty, flair, genius, gift, knack, talent; addiction, appetite, fancy, fondness, like, liking, preference, taste; forte, speciality, specialty; convention, custom, habit, pattern, practice (also practise), routine, trick, way, wont; eccentricity, idiosyncrasy, kink, oddity, peculiarity, quirk, singularityNear Antonyms allergy, averseness, aversion, disfavor, disinclination, dislike, disliking, disrelish, distaste; detachment, impartiality, neutrality, objectivity; apathy, disinterestedness, indifference, insouciance, nonchalance, unconcern

2 a special and usually inborn ability has an aptitude for math Synonyms talent, bent, endowment, faculty, flair, genius, gift, head, knackRelated Words affinity, bias, disposition, habitude, impulse, inclination, leaning, partiality, penchant, predilection, predisposition, proclivity, propensity, tendency, turn; ear, eye, mind, nose; feel, hang, instinct, touch, way; capability, competence, facility, proficiency, skill; capacity, potential, power; forte, specialism, speciality, specialtyNear Antonyms disability, handicap, inability, incapacity; shortcoming, weakness