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sickener

American

[sik-uh-ner] / ˈsɪk ə nər /

noun

something that sickens or disgusts.

ˈsickener British

/ ˈsɪkənə /

noun

something that induces sickness or nausea
a bright red basidiomycetous fungus of either of two species of Russula, notably the poisonous R. emetica

"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

Etymology

Origin of sickener

First recorded in 1800–10; sicken + -er ¹

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.

At that stage, nine games in, Manchester City's lead at the top was just three points but the true sickener for Chelsea was the 1-0 loss at home to struggling Everton.

From BBC • Jan. 24, 2026

Nottingham Forest's defeat by Brighton on Sunday was a bit of a sickener for Sean Dyche, because he had made such a good start there.

From BBC • Dec. 1, 2025

The winner was completely deserved but it was a sickener for Rangers.

From BBC • Apr. 29, 2022

Burnley are also coming off the back of a loss to Tottenham Hotspur, theirs a last-minute sickener in the Premier League last weekend.

From The Guardian • Dec. 22, 2018

"Eeah, aw think aw've getten a bit ov a sickener."

From Yorkshire Tales. Third Series Amusing sketches of Yorkshire Life in the Yorkshire Dialect by Hartley, John

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023