Perpend and Rack brains

Perpend

Perpend verb - To give serious and careful thought to.

Rack brains and perpend are semantically related. In some cases you can use "Rack brains" instead a verb "Perpend".

Rack brains

Definitions of Perpend not found.

Perpend and rack brains are semantically related. Sometimes you can use "Perpend" instead a verb phrase "Rack brains".
Cite this Source
Rack brains and Perpend. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/perpend/rack_brains
Perpend & Rack brains. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/perpend/rack_brains>.
Rack brains or Perpend. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/perpend/rack_brains.
Google Ngram Viewer shows how "perpend" and "rack brains" have occurred on timeline