Adjective uncongenial has 3 senses
  1. uncongenial, incompatible - not suitable to your tastes or needs; "the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs"
    Antonyms: congenial, agreeable, compatible, sympathetic, sociable
  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"
    Antonym: hospitable (indirect, via inhospitable)
  3. uncongenial - used of plant stock or scions; incapable of being grafted
    Antonym:
    compatible (indirect, via incompatible)
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