Synonyms of half-hearted

1 Syllable

cool, tame

2 Syllables

neutral, tepid, listless

3 Syllables

lukewarm, lackluster, hesitant, passive, spiritless, vacillant

4 Syllables

perfunctory, impassive, indifferent, apathetic, shillyshally

5 Syllables

unenthusiastic, uninterested, irresolute