Synonyms of unsentimental

1 Syllable

plain, calm, cold, flat, stoic, dry, dull

2 Syllables

prosaic, factual, sober, serious, naked, stolid, true-life, deadpan, earthy, prosy

3 Syllables

lifeless, practical, realistic, mundane, pragmatic, tough-minded, hardheaded, phlegmatic, down-to-earth, cold-blooded, feasible, hard-boiled, hard-nosed

4 Syllables

objective, unaffected, impassive, commonsense, unfantastic, unromantic, apathetic, pragmatical, impersonal, matter-of-fact, unvarnished, emotionless

5 Syllables

naturalistic, unidealistic, unimpassioned

7 Syllables

unimaginative