familiar 14 antonyms and opposites of familiar. Adjective — Well known to you, or easy to recognise. Synonyms for familiar accustomed habitual known predictable routine wonted wontish nigget Antonyms for familiar ignorant unfamiliar unknown unacquainted cold cool distant impersonal standoffish unfriendly strange unaccustomed unpredictable unwonted ← Back to the full definition of familiar
