unassertive ambitionless retiring unaggressive unambitious unenterprising backward bashful diffident hesitant insecure meek modest reserved sheepish shrinking shy timid timorous unobtrusive indefinite quiet unconfident unsure humble withdrawn unassuming embarrassed demure coy uneasy reticent introverted unpretentious awkward nervous uncomfortable anxious recessive silent edgy shamefaced tense strained mousy unpresuming apprehensive simple blushing stiff discreet unboastful inhibited temperate discomfited unpretending constrained chaste unnatural uncertain abashed reluctant proper gauche stilted breezy seemly mellow wary lowly withdrawing passive lazy submissive artificial overmodest nice easygoing unaspiring mannered unassured chary declining apathetic doubting indecisive doubtful fearful wavering weak tentative irresolute vacillating worried unstable afraid dispassionate unresolved casual nonchalant