diffident Synonyms

modest doubtful unsure timid shy reserved bashful unobtrusive unassured unassuming trustless unpassionate tremulous unpoised uncertain tongue-tied timorous shay sheepish shrinking startlish suspicious taciturn tentative maidenlike shamefaced unwilling vacillant unpretending self-effacing unpretentious rabbity self-deprecating unconfident undemonstrative uneager unostentatious unpresuming mousey misogynic vacillatory verecund withdrawn faint-hearted unassertive unassertively shier shyer yellow-bellied low-key