slump - definition and synonyms

verb [intransitive] 

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/slʌmp/
present tense
I/you/we/theyslump
he/she/itslumps
present participleslumping
past tenseslumped
past participleslumped
  1. 2
    to suddenly fall or sit because you are very tired or unconscious

    Sam’s body slumped to the floor.