inimical
C1CEFR level
80/100Rarity: very rare
FormalRegister
General adjective
Tending to obstruct or harm; hostile or unfriendly.
Excessive regulation, he argued, was inimical to innovation.
Business adjective
Tending to obstruct or harm; hostile.
A prolonged feud was inimical to the interests of both shareholder groups.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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