Antonyms of adj apt

4 senses of apt

Sense 1
apt (predicate), disposed (predicate), given (predicate), minded (predicate), tending (predicate) -- ((usually followed by `to') naturally disposed toward; "he is apt to ignore matters he considers unimportant"; "I am not minded to answer any questions")

INDIRECT (VIA inclined) -> disinclined -- (unwilling because of mild dislike or disapproval; "disinclined to say anything to anybody")

Sense 2
apt (predicate), liable (predicate) -- (at risk of or subject to experiencing something usually unpleasant; "he is apt to lose"; "she is liable to forget")

INDIRECT (VIA likely) -> unlikely -- (has little chance of being the case or coming about; "an unlikely story"; "an unlikely candidate for reelection"; "a butcher is unlikely to preach vegetarianism")

Sense 3
apt, clever -- (mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker)

INDIRECT (VIA intelligent) -> unintelligent, stupid -- (lacking intelligence; "a dull job with lazy and unintelligent co-workers")

Sense 4
apposite, apt, pertinent -- (being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply")

INDIRECT (VIA apropos) -> malapropos -- (of an inappropriate or incorrectly applied nature)

Similarity of adj apt

4 senses of apt

Sense 1
apt (predicate), disposed (predicate), given (predicate), minded (predicate), tending (predicate) -- ((usually followed by `to') naturally disposed toward; "he is apt to ignore matters he considers unimportant"; "I am not minded to answer any questions")
       => inclined (predicate) (vs. disinclined) -- ((often followed by `to') having a preference, disposition, or tendency; "wasn't inclined to believe the excuse"; "inclined to be moody")

Sense 2
apt (predicate), liable (predicate) -- (at risk of or subject to experiencing something usually unpleasant; "he is apt to lose"; "she is liable to forget")
       => likely (vs. unlikely) -- (has a good chance of being the case or of coming about; "these services are likely to be available to us all before long"; "she is likely to forget"; "a likely place for a restaurant"; "the broken limb is likely to fall"; "rain is likely"; "a likely topic for investigation"; "likely candidates for the job")

Sense 3
apt, clever -- (mentally quick and resourceful; "an apt pupil"; "you are a clever man...you reason well and your wit is bold"-Bram Stoker)
       => intelligent (vs. unintelligent) -- (having the capacity for thought and reason especially to a high degree; "is there intelligent life in the universe?"; "an intelligent question")

Sense 4
apposite, apt, pertinent -- (being of striking appropriateness and pertinence; "the successful copywriter is a master of apposite and evocative verbal images"; "an apt reply")
       => apropos (vs. malapropos) -- (of an appropriate or pertinent nature)