1. (a.) Destitute of knowledge; uninstructed or uninformed; untaught; unenlightened.

2. (a.) Unacquainted with; unconscious or unaware; -- used with of.

3. (a.) Unknown; undiscovered.

4. (a.) Resulting from ignorance; foolish; silly.

5. (n.) A person untaught or uninformed; one unlettered or unskilled; an ignoramus.

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 of little brain 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 unpracticed unpracticed in unprogressive unread unreasoning unripe unschooled unseasoned unskilled in unsophisticated unsure untalented untaught unthinking untrained untried untutored unused unused to unversed unversed in unwise unwitting unwonted vacuous weaned witless