Synonyms of uncritical

2 Syllables
sketchier, quick-fix, spoter, shallow, slipshod, sketchy, half-assed, offhand
3 Syllables
hang-loose, unneeded, outgiving, imprudent, smattery, designless, easygoing, relaxed, cursory, credulous, unthinking, careless
4 Syllables
perfunctory, unrequired, inessential, uninformed, unexacting, imprecise, superficial, undiscerning
5 Syllables
unmethodical, unnecessary, inaccurate, imperceptive, unperceptive, unselective
6 Syllables
one-dimensional, indiscriminate, undiscriminating