(intransitive) To collapse heavily or helplessly. / (intransitive) To decline or fall off in activity or performance. / (intransitive) To slouch or droop.

A heavy or helpless collapse; a slouching or drooping posture; a period of poor activity or performance, especially an extended period.

simple past tense and past participle of slump

plural of slump

Third-person singular simple present indicative form of slump

something that makes a slumping voice

the result of a slumping movement, like that of a mountain

present participle of slump

plural of slumping

plural of sophomore slump