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Synonyms

sickening

American  
[sik-uh-ning] / ˈsɪk ə nɪŋ /

adjective

  1. causing or capable of causing sickness, especially nausea, disgust, or loathing.

    sickening arrogance.

    Synonyms:
    loathsome, disgusting, nauseating

sickening British  
/ ˈsɪkənɪŋ /

adjective

  1. causing sickness or revulsion

  2. informal extremely annoying

"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

Other Word Forms

  • sickeningly adverb

Etymology

Origin of sickening

First recorded in 1715–25; sicken + -ing 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Alfie's prediction: It's quite sickening for Spurs fans that we poached Thomas Frank from Brentford last summer and they have gone on to have their best-ever season.

From BBC • Apr. 23, 2026

Leaders from across the political spectrum have since called for an immediate investigation, calling the allegations "harrowing" and "sickening".

From BBC • Mar. 25, 2026

“The sickening lies told about our son by the administration are reprehensible and disgusting,” the statement said.

From Los Angeles Times • Jan. 28, 2026

"The sickening lies told about our son by the administration are reprehensible and disgusting," they said.

From Barron's • Jan. 25, 2026

As if in slow motion, the camera sailed through the air and hit the black asphalt with a sickening crunch.

From "Shooting Kabul" by N. H. Senzai