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 Preventing undesirable baboon behaviour, like raiding food, is easier than trying to tackle it once it’s become engrained. — Will Barker, TheWeek, 5 Oct. 2026 Other Problems Coffee Grounds May Cause Besides causing nutrient issues, coffee grounds can create conditions that make life harder for your orchids while attracting undesirable guests. — Leanne Potts, Better Homes & Gardens, 19 Sep. 2026 However, even though each individual layer relies on a smooth forcing function, combining them together can cause the forcing function to have undesirable mathematical properties. — Konstantin Kakaes, Quanta Magazine, 8 Sep. 2026 Instead of punishing undesirable behavior by withholding money, buycotts encourage consumers to reward companies by spending with a purpose. — Alison Foreman, IndieWire, 7 Sep. 2026 See All Example Sentences for undesirable

Recent Examples of Synonyms for undesirable

Adjective

Other research suggests trypophobic people find hole clusters as unpleasant as pictures of skin disease and that people with a history of skin problems may find hole clusters particularly uncomfortable to look at.

— Gabriela Galvin, Scientific American, 26 Oct. 2026
That is followed by one focused on exploring conventional notions of beauty by uncovering the unexpected draw of unpleasant scents with Naïla Hamayed, Givaudan’s fragrance evaluator.

— Jennifer Weil, Footwear News, 20 Oct. 2026

Definition of unpleasant

Adjective

Rocket Money's Premium tier is able to cancel eligible unwanted subscriptions on your behalf and, with a Premium+ account, Rocket Money can negotiate certain recurring bills on your behalf, including cable, internet, phone and home security.

— Dan Avery, CNBC, 21 Oct. 2026
Those unwanted jobs range from library boards that decide what books to purchase and put on shelves to school boards that help set education policy to village presidents to township supervisors.

— CBS News, CBS News, 21 Oct. 2026

Definition of unwanted

Adjective

In most versions of the Greek mythology, Medusa is a beautiful woman that was cursed by the goddess Athena with a head of snakes instead of hair and the horrible ability to turn people to stone with just one look.

— Lynsey Eidell, Glamour, 26 Oct. 2026
The battle is between that horrible atmosphere and some of the horrific candidates that have been nominated by the Democratic Party.

— ABC News, ABC News, 25 Oct. 2026

Definition of horrible

Adjective

With American Family Field rocking, Ashby reared back and threw a nasty curve that Díaz tried to hold up on.

— Jacob Lev, CNN Money, 24 Oct. 2026
Of course, there has been some criticism of this plan, as France is experiencing some pretty nasty civil unrest at the moment, but the game will go ahead, with the Saints having been in the country for a few days already.

— Matt Reigle OutKick, FOXNews.com, 22 Oct. 2026