Antonyms of adj uncongenial
3 senses of uncongenial
Sense 1
uncongenial (vs. congenial), incompatible -- (not suitable to your tastes or needs; "the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs")
congenial (vs. uncongenial) -- (suitable to your needs; "a congenial atmosphere to work in"; "two congenial spirits united...by mutual confidence and reciprocal virtues"- T.L.Peacock)
=> sociable -- (friendly and pleasant; "a sociable gathering")
Sense 2
hostile, uncongenial, unfriendly -- (very unfavorable to life or growth; "a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes")
INDIRECT (VIA inhospitable) -> hospitable -- (favorable to life and growth; "soil sufficiently hospitable for forest growth"; "a hospitable environment")
Sense 3
uncongenial -- (used of plant stock or scions; incapable of being grafted)
INDIRECT (VIA incompatible) -> compatible -- (able to exist and perform in harmonious or agreeable combination; "a compatible married couple"; "her deeds were compatible with her ideology")
Similarity of adj uncongenial
3 senses of uncongenial
Sense 1
uncongenial (vs. congenial), incompatible -- (not suitable to your tastes or needs; "the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs")
=> disagreeable, unsympathetic -- (not agreeing with your tastes or expectations; "found the task disagreeable and decided to abandon it"; "a job temperamentally unsympathetic to him")
Also See-> incompatible#1; unfriendly#2; unsympathetic#1
Sense 2
hostile, uncongenial, unfriendly -- (very unfavorable to life or growth; "a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes")
=> inhospitable (vs. hospitable) -- (unfavorable to life or growth; "the barren inhospitable desert"; "inhospitable mountain areas")
Sense 3
uncongenial -- (used of plant stock or scions; incapable of being grafted)
=> incompatible (vs. compatible) -- (not compatible; "incompatible personalities"; "incompatible colors")