Synonyms and related words :
afraid, aghast, appalled, ashen, astounded, awed, awestricken, awestruck, blanched, chicken, chickenhearted, coward, cowardly, daunted, deadly pale, dismayed, fainthearted, fearful, frozen, funking, funky, gray with fear, henhearted, horrified, horror-struck, intimidated, lily-livered, milk-livered, milksoppish, milksoppy, mousy, overtimid, overtimorous, pale as death, pallid, panic-prone, panicky, paralyzed, petrified, pigeonhearted, rabbity, scared stiff, scared to death, sissified, sissy, soft, stunned, stupefied, terrified, terror-crazed, terror-haunted, terror-ridden, terror-riven, terror-shaken, terror-smitten, terror-struck, terror-troubled, timid, timorous, undone, unmanly, unmanned, unnerved, unstrung, weak, weak-kneed, weakhearted, white-livered, yellow