#1 uncongenial a. [incompatible] not suitable to your tastes or needs; "the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs". wn
#2 uncongenial s. [hostile, unfriendly] very unfavorable to life or growth; "a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes". wn
#3 uncongenial s. used of plant stock or scions; incapable of being grafted. wn
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