uncongenial

Adjective (3)

1. not suitable to your tastes or needs“the uncongenial roommates were always fighting”“the task was uncongenial to one sensitive to rebuffs”Synonyms: incompatibleSimilar disagreeable, unsympatheticSee also incompatible, unfriendly, unsympathetic
2. very unfavorable to life or growth“a hostile climate”“an uncongenial atmosphere”“an uncongenial soil”“the unfriendly environment at high altitudes”Synonyms: hostileunfriendlyOpposite hospitableSimilar inhospitable
3. used of plant stock or scions; incapable of being graftedOpposite compatibleSimilar incompatible