in ‧ im ‧ i ‧ cal /ɪˈnɪmɪk ə l/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: Late Latin ; Origin: inimicalis , from Latin inimicus ; ⇨ ↑ enemy ]
making it difficult for something to exist or happen:
a cold, inimical climate
inimical to
conditions inimical to development