Synonyms of slightest

1 Syllable
first, slim, fat, weak, off
2 Syllables
scanty, trifling, modest, trivial, slender, paltry, lowest, petty, piddling, sparse, feeble, minor, meager
3 Syllables
outside, remote, minimums, minimum
4 Syllables
unimportant, unessential, insubstantial, superficial, negligible
6 Syllables
inconsiderable