frightful C2+ Topic:Emotions & Feelings US /ˈfraɪtfəl/ UK /ˈfraɪtfəl/ See IPA manual Meanings 1 adj causing fear or horror; dreadful or extreme A frightful storm tore the roof from the barn. Thesaurus Synonyms 1 adj · causing fear or horror;... dreadfulhorribleterribleghastlyappallingfearfulhorrificawful ↔ Opposites pleasantdelightfulreassuringcomforting Word family Forms frightfulness Derived forms frightfullyfrightfulness Related forms frightfrightenfrightened Etymology AI details From fright (from Old English fyrhto, 'fear, dread', from Proto-Germanic *furhtÄ«n) + the suffix -ful. fyrhto Old English *furhtaz Proto-Germanic View etymology graph -> Topics Emotions & Feelings Word Formation & Derivatives External links Cambridge Dictionary Wiktionary Google Images # frightful **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈfraɪtfəl/ **IPA (UK):** /ˈfraɪtfəl/ ## Meanings 1. causing fear or horror; dreadful or extreme ## Examples - A frightful storm tore the roof from the barn. ## Synonyms - dreadful - horrible - terrible - ghastly - appalling - fearful - horrific - awful ## Antonyms - pleasant - delightful - reassuring - comforting ## Derived Forms - frightfully - frightfulness ## Related Forms - fright - frighten - frightened ## Roots and Affixes - Root: fyrhto - Root: *furhtaz ## Etymology From fright (from Old English fyrhto, 'fear, dread', from Proto-Germanic *furhtÄ«n) + the suffix -ful. ## AI Etymology Frightful is from fright (from Old English fyrhto, 'fear, dread', from Proto-Germanic *furhtÄ«n) + the suffix -ful. In present-day use, it means causing fear or horror; dreadful or extreme. Derived formations include frightfully and frightfulness. Related vocabulary includes fright, frighten, and frightened. ## Topics - Emotions & Feelings - Word Formation & Derivatives markdown