- 1[transitive, intransitive] crumple (something) (up) (into something) to crush something into folds; to become crushed into folds She crumpled the letter up into a ball and threw it on the fire. This material crumples very easily.
- 2[intransitive] crumple (up) if your face crumples, you look sad and disappointed, as if you might cry Her face crumpled up and she burst into tears.
- 3[intransitive] crumple (up) to fall down in an uncontrolled way because you are injured, unconscious, drunk, etc. synonym collapse He crumpled up in agony.
NAmE//ˈkrʌmpl//Verb Forms present simple I / you / we / they crumple
he / she / it crumples
past simple crumpled
-ing form crumpling
crumpledjump to other results
adjective crumpled clothes/papers A crumpled figure lay motionless in the doorway.