List of fearsome synonyms and fearsome related words.
alarming, appalling, awe-inspiring, awesome, awing, bashful, chilling, cowardly, daunting, deterrent, deterring, diffident, disconcerting, discouraging, disheartening, dismaying, disquieting, dreadful, fear-inspiring, fearful, fearing, formidable, frightening, frightful, goosy, in fear, intimidating, jumpy, menacing, mousy, nervous, overawing, rabbity, scaring, scary, shaky, shivery, shrinking, shy, skittery, skittish, startling, startlish, terrible, terrifying, timid, timorous, trembling, tremulous, trepidant, trigger-happy