Synonyms of hot-and-cold

1 Syllable

swift, mad, quick, rash

2 Syllables

headlong, abrupt, violent, flaky, hasty, sudden, offhand, ad-lib

3 Syllables

spontaneous, impetuous, careless, unprompted, up-and-down

4 Syllables

impulsive, emotional, passionate, automatic, instinctive, devil-may-care, intuitive, on-the-fence, unexpected

5 Syllables

extemporaneous, unpredictable, irresolute, involuntary, precipitate, unconsidered, unmeditated

6 Syllables

unpremeditated