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Definition of keen

keen

/kiːn/
keen

Adverb:keenly
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Plural:keens
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Past Simple:keened
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Past Participle:keened
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Present Participle:keening
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keen Lexical Profile

keen Game Scores & Validity

• adjective

1

Having or showing eagerness, enthusiasm, or strong interest in something.

Example

"The students are keen to begin their summer research internships."


2

Highly developed, perceptive, or sensitive (of a person's senses, intellect, or understanding).

Example

"Dogs possess a keen sense of smell that makes them invaluable in search-and-rescue operations."


3

Sharp or penetrating, especially of a blade's cutting edge or of cold wind and weather.

Example

"A keen north wind swept across the open moor as evening fell."


4

Intense or fiercely competitive (of rivalry, competition, or prices).

Example

"There is keen competition among local bakeries for the annual festival prize."

Synonyms
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Antonyms
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• verb

1

To wail in grief for a dead person, or to make an eerie, high-pitched wailing sound.

Example

"The mourners keened softly beside the graveside, their voices blending with the wind."

Synonyms
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Antonyms
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• noun

1

Irish A wailing lament for the dead.

Example

"A low, mournful keen rose from the cottage as the funeral procession approached."

Synonyms
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Word Nuance & Usage

'Keen' represents two unrelated homonyms: the everyday adjective meaning eager or sharp (of Germanic origin) and the literary verb/noun meaning to wail in grief for the dead (from Irish 'caoineadh').

• Rhymes for keen

Word Origin & Etymology

The adjective derives from Old English 'cēne' ('bold, brave, clever, sharp'), from Proto-Germanic *kōniz. The noun and verb meaning 'to wail in lamentation' are an 18th-century borrowing from Irish 'caoineadh' ('lament').

Cite this Entry


Wordmom. (2026). Definition of Keen. In Wordmom Dictionary. Retrieved Nov 2, 2026, from https://wordmom.com/dictionary/keen
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