Synonyms to of little brain

ignorant, a novice at, a stranger to, awkward, benighted, blankminded, boorish, brainless, callow, crude, disaccustomed, discourteous, dumb, empty, empty-headed, foolish, fresh, gauche, green, green as grass, groping, gross, headless, ill-mannered, illiterate, immature, impolite, in the dark, inane, incognizant, inept, inexperienced, ingenuous, innocent, insensate, irrational, know-nothing, lackbrained, lean-minded, lean-witted, lowbrow, mindless, naive, nescient, new to, not bright, oblivious, pea-brained, pin-brained, raw, reasonless, rude, rusty, senseless, simple, slackminded, slackwitted, strange to, tentative, unaccustomed, unaccustomed to, unacquainted, unacquainted with, unapprized, unaware, uncivil, uncomprehending, unconscious, unconversant, unconversant with, uncouth, uncultured, undeveloped, uneducated, unenlightened, unexperienced, unfamiliar, unfamiliar with, unfledged, ungifted, unhabituated, unhardened, unilluminated, uninformed, uninitiated, uninitiated in, uninstructed, unintellectual, unintelligent, uninured, unknowing, unlearned, unlettered, unmatured, unposted, unpr