inimical
Definitions
Tending to obstruct or harm.
Unfriendly or hostile.
Examples
Excessive sunlight is inimical to the growth of these delicate ferns.
The two nations maintained an inimical relationship for decades, marked by constant border disputes.
His hostile attitude was inimical to the team's efforts to reach a consensus.
Synonyms
hostile harmful detrimental adverse unfriendly antagonistic pernicious
Antonyms
friendly favorable beneficial helpful hospitable supportive advantageous