definition of
uncongenial

[1] #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] #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] #3 uncongenial s. used of plant stock or scions; incapable of being grafted. wn