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Synonyms

unpleasant

American  
[uhn-plez-uhnt] / ʌnˈplɛz ənt /

adjective

  1. not pleasant; displeasing; disagreeable; offensive.

    an unpleasant taste; an unpleasant situation; an unpleasant manner.


unpleasant British  
/ ʌnˈplɛzənt /

adjective

  1. not pleasant or agreeable

"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

Etymology

Origin of unpleasant

First recorded in 1525–35; un- 1 + pleasant

Explanation

Something unpleasant is disagreeable, painful, or annoying in some way. No one likes unpleasant experiences. Since pleasant things are enjoyable in some way, unpleasant things are hard to enjoy. Being in pain is unpleasant. So is being stuck in traffic. It's unpleasant when someone is rude. If your feelings or senses don't like something, it's likely unpleasant. The word pleasant comes from the French plaisir, "to please." If something doesn't please you, it's unpleasant.

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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.

See Examples For:

A well-documented side effect of the drugs is called dysgeusia, which can produce an unpleasant, metallic taste in the mouth.

From The Wall Street Journal Aug. 19, 2026

Convert before the full RMD is out and the amount that should have been RMD becomes an excess contribution to the Roth, which is an unpleasant thing to unwind.

From MarketWatch Aug. 14, 2026

"Overall, you're talking about 3% of people will get a brain infection complication and 97% of people will have either no symptoms or have this relatively short-lived, albeit unpleasant, severe flu-like phase," he said.

From BBC Jul. 31, 2026

Within a few short weeks, an ongoing outbreak of Cyclospora, a foodborne parasite that can contaminate raw fruits and vegetables — and lead to several unpleasant gastrointestinal symptoms — has fueled a nationwide panic.

From Salon Jul. 25, 2026

As I stepped deeper into the room, unpleasant smells flooded the air.

From "The City Beautiful" by Aden Polydoros

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