affectionate 2 antonyms and opposites of affectionate. Adj — Showing warmth, fondness, or love readily and openly. Synonyms for affectionate tender lovesome attached loving devoted warm fond earnest ardent caring cordial dear friendly goodhearted good-natured heartfelt hearty kind kindhearted softhearted kindsome warm-hearted tenderhearted Antonyms for affectionate callous heartless ← Back to the full definition of affectionate