proper adjective

noun

: an adjective that is formed from a proper noun and that is usually capitalized in English

Word History

First Known Use

1905, in the meaning defined above

Time Traveler
The first known use of proper adjective was in 1905

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proper
proper adjective
properate
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Cite this Entry

“Proper adjective.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proper%20adjective. Accessed 26 Oct. 2025.

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Kids Definition

proper adjective

noun
: an adjective formed from a proper noun
"Italian" in "Italian paintings" is a proper adjective
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