uncongenial (Adjective) — Not suitable to your tastes or needs. ex. "the task was uncongenial to one sensitive to rebuffs" ex. "the uncongenial roommates were always fighting"
uncongenial (Adjective) — Very unfavourable to life or growth. ex. "an uncongenial atmosphere"
uncongenial (Adjective) — Used of plant stock or scions; incapable of being grafted.