uncongenial

adjectives

not suitable to your tastes or needs
"the uncongenial roommates were always fighting"; "the task was uncongenial to one sensitive to rebuffs"
is derived from
antonym
very unfavorable to life or growth
"a hostile climate"; "an uncongenial atmosphere"; "an uncongenial soil"; "the unfriendly environment at high altitudes"
used of plant stock or scions; incapable of being grafted
is similar to
not compatible
"incompatible personalities"; "incompatible colors"