がっくり Common word JLPT N1 LinksSentence search for がっくりSentence search for ガックリEdit in JMdict Adverb (fukushi), Noun, Suru verb, Adverb taking the 'to' particle1. heartbroken; crestfallen; dejected; disappointedOnomatopoeic or mimetic wordOther formsガックリ Discussions Log in to talk about this word.