IPA: //ʌˈneɪmɪbəl//
KK: /ʌˈneɪmɪbəl/
Not friendly or pleasant; likely to be disliked by others.
His unamiable personality made it hard for him to make friends.
Unamiable → It is formed from "un-" (meaning not) and "amiable" (from Latin "amicabilis", meaning friendly or lovable). The word "unamiable" means not friendly or not lovable.
Think of 'not' ('un-') being added to 'friendly' ('amiable') — that's why unamiable means not friendly.