confident Antonyms

diffident shy insecure writhing uneasy uncertain unassured unassuming trombone tremulous tremulant trembling transfixed tortured timorous unfirm unpatient worried white-livered weak-kneed weak waverer wavering wary verecund vacillatory vacillating unquiet unpoised timid thunderstruck tentative skittish skeptical shrinking shamefast shamefaced shaky shaking self-reproving self-destructive self-conscious self-abasing seasonal slavish sliminess tense teetering torn suspicious