Word family noun fright frighteners adjective frightened frightening frightful verb frighten adverb frighteningly frightfully
From Longman Dictionary of Contemporary Englishfrightfullyfright‧ful‧ly /ˈfraɪtfəli/ adverb British English old-fashioned VERYvery I’m frightfully sorry about the delay.Examples from the Corpus
frightfully• My goodness, Clara, how frightfully boring for you, how can you bear to listen to us.• But the truth was that my mental processes were frightfully complicated, tenaciously mixed.• It is a frightfully difficult answer.• I always felt frightfully embarrassed and equally sad about this.• It's on at the Lyceum and is supposed to be frightfully good.• Nearly all the men in the hollow were wounded, one man frightfully so, his arm being cut short off.• Conversation stopped and everyone became frightfully solicitous.• Lawrence was so frightfully strict with the children. 