thicken up

verb

To become or make (something) thick (either in width or in viscosity).

Meanings

verbthicken up (third-person singular simple present thickens up, present participle thickening up, simple past and past participle thickened up)

present singular third person thickens up · participle present thickening up · participle past thickened up · past thickened up

  1. informalintransitivetransitiveTo become or make (something) thick (either in width or in viscosity).
Cite this entry
APA

thicken up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thicken%20up

MLA

“thicken up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thicken%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “thicken up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thicken%20up.

Source: thicken up on Wiktionary, CC BY-SA 4.0.