UNDESIRABLE Synonyms: 128 Similar and Opposite Words

undesirable

adjective

Definition of undesirable

as in unpleasant

bad, harmful, or unpleasant The drug has some undesirable side effects. This decision may have undesirable consequences.

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Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of undesirable Nearly all Facebook users — about 96% — are adults, Schmidt said, leading the platform to be considered undesirable by many of today’s teens. — Sharon Bernstein, Sacbee.com, 18 Aug. 2026 While some lose their texture or flavor in the freezer, others can simply become inedible or undesirable after thawing. — Toria Sheffield, PEOPLE, 18 Aug. 2026 Rebounding with a lot of food in one sitting, which is typical when overly hungry, can produce undesirable spikes in blood glucose. — Mira Miller, Verywell Health, 12 Aug. 2026 The restoration of Queen Liliuokalani to her throne is undesirable, if not impossible, and unless actively supported by the United States would be accompanied by serious disaster and the disorganization of all business interests. — Britannica Editors, Encyclopedia Britannica, 11 Aug. 2026 See All Example Sentences for undesirable

Recent Examples of Synonyms for undesirable

Adjective

Activewear After sweating it out in your beloved activewear, avoid using the hotter temperatures in the washing machine to sanitize and remove unpleasant odors.

— Ashlyn Needham, Southern Living, 26 Aug. 2026
The mediocre screen was an unpleasant surprise given that this thing advertised 100 percent sRGB gamut coverage when it was announced and on its product page for many weeks (the Internet Archive captures it here).

— ArsTechnica, ArsTechnica, 24 Aug. 2026

Definition of unpleasant

Adjective

Wide-bandgap semiconductors Ordinary silicon electronics can fail when high temperatures create unwanted electrical activity inside the material.

— Atharva Gosavi, Interesting Engineering, 29 Aug. 2026
Always bury the rotten fruit in the center of your compost pile to help mask the smell and deter unwanted animals.

— SJ McShane, Martha Stewart, 29 Aug. 2026

Definition of unwanted

Adjective

Anne Hathaway is a leftist, woke, horrible choice for DAYS OF THUNDER NASCAR audience who are MAGA.

— James Hibberd, HollywoodReporter, 31 Aug. 2026
These two rubber bands in our throat are affected by everything from hormones to psychology to a bad day to a horrible night’s sleep to the sniffles or whatever.

— Marissa R. Moss, Rolling Stone, 28 Aug. 2026

Definition of horrible

Adjective

Minneola City Councilman David Yeager’s efforts to annex his new home into the city earlier this summer sparked a nasty debate on the council that led to two members being censured last week for incivility.

— James Wilkins, The Orlando Sentinel, 27 Aug. 2026
Working with a nasty four-pitch mix, Bradley struck out six over four innings before achieving the feat in the fifth.

— Dan Hayes, New York Times, 26 Aug. 2026