Crack up and Fall down

Crack up

Crack up verb - To declare enthusiastic approval of.

Fall down and crack up are semantically related In some cases you can use "Fall down" instead a verb "Crack up".

Fall down

Fall down verb - Lose an upright position suddenly.

Crack up and fall down are semantically related in break down topic. Sometimes you can use "Crack up" instead a verb "Fall down".
Cite this Source
Fall down and Crack up. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/crack_up/fall_down
Crack up & Fall down. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/crack_up/fall_down>.
Fall down or Crack up. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/crack_up/fall_down.
Google Ngram Viewer shows how "crack up" and "fall down" have occurred on timeline