Inimical, a.
Etymology: [L. inimicalis, fr. inimicus unfriendly, hostile; pref. in- not + amicus friendly. See Amity.]
1. Having the disposition or temper of an enemy; unfriendly; unfavorable; -- chiefly applied to private, as hostile is to public, enmity.
2. Opposed in tendency, influence, or effects; antagonistic; inconsistent; incompatible; adverse; repugnant. We are at war with a system, which, by its essence, is inimical to all other governments. Burke.
Shades of meaning
Fernald lists inimical only as an antonym, under friendly.
He lists it without comment; the entries above explain its neighbors.
Synonyms
none given