ambivalent bashful demure diffident fearful feeble frightened gentle humble modest nervous weak Milquetoast shrinking trembling wavering yellow afraid apprehensive badgered browbeaten bullied capricious cowardly cowed cowering coy daunted fainthearted having cold feet intimidated irresolute mousy pusillanimous retiring shaky soft spineless spiritless submissive timorous unassertive unassured unnerved vacillating