painful

adjective

pain·​ful ˈpān-fəl How to pronounce painful (audio)
painfuller ˈpān-fə-lər How to pronounce painful (audio) ; painfullest
1
a
: feeling or giving pain
a painful injury
2
: requiring effort or exertion
a long painful trip
3
archaic : careful, diligent
painfully adverb
painfulness noun

Examples of painful in a Sentence

I got a painful sunburn. We can't ignore our country's painful history of slavery. His questions brought up a lot of painful memories. It was painful to watch.
Recent Examples on the Web
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.
Relegation might become obvious inside the first nine games, a fact Sunderland fans know from painful experience, but survival isn’t achievable this early. Chris Weatherspoon, New York Times, 31 Oct. 2025 Their venom Is not considered dangerous to humans, although a bite would likely be painful and cause swelling similar to that of a wasp sting. Jasmine Laws, MSNBC Newsweek, 30 Oct. 2025 Rensch describes the most painful moment of his time with the group as being when he was separated from his mother, with his future success at chess given as a main reason why that move was orchestrated. Ben Morse, CNN Money, 30 Oct. 2025 For his role as Erik, the disfigured organist who haunts the catacombs of the Paris opera house, Chaney underwent a dramatic — and painful — transformation that involved pulling back his nostrils with piano wire to create a skeletal look. Katie Rife, Entertainment Weekly, 30 Oct. 2025 See All Example Sentences for painful

Word History

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of painful was in the 14th century

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Cite this Entry

“Painful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/painful. Accessed 31 Oct. 2025.

Kids Definition

painful

adjective
pain·​ful ˈpān-fəl How to pronounce painful (audio)
: feeling or giving pain
painfully adverb
painfulness noun

Medical Definition

painful

adjective
pain·​ful ˈpān-fəl How to pronounce painful (audio)
painfuller -fə-lər How to pronounce painful (audio) ; painfullest
: feeling or giving pain
painfully adverb

More from Merriam-Webster on painful

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