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sicken

[sik-uhn]
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verb (used with or without object)

to make or become sick.

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repulse, afflict, nauseate, repel, disgust, offend, affect, unsettle, upset, turn, derange, disorder, unhinge, reluct

Origin of sicken

1150–1200; Middle English seknen, sicnen; cognate with Old Norse sjūkna. See sick1, -en1
Related formsre·sick·en, verbun·sick·ened, adjective

Synonyms for sicken

SEE MORE SYNONYMS FOR sicken ON THESAURUS.COM
repulse, revolt, disgust, upset.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sicken

British Dictionary definitions for sicken

sicken

verb

to make or become sick, nauseated, or disgusted
(intr often foll by for) to show symptoms (of an illness)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for sicken
v.

c.1200, "to become ill," from sick (adj.) + -en (1). Transitive sense of "to make sick" is recorded from 1610s. Related: Sickened; sickening. The earlier verb was simply sick (Old English seocan) "to be ill, fall ill."

Online Etymology Dictionary, © 2010 Douglas Harper