Keen

Definition

Keen is an adjective, noun, and verb. As an adjective, it describes an intense eagerness, enthusiasm, sharpness, or acuity. As a noun (archaic), it refers to a lament or wail for the dead. As a verb (rare), it means to wail in grief.

Parts of Speech

• Adjective
• Noun
• Verb

Pronunciation

American English

• IPA Pronunciation: /kiːn/
• Respelling: keen

British English

• IPA Pronunciation: /kiːn/
• Respelling: keen

Etymology

The word "keen" originates from Old English "cēne," meaning "bold" or "brave," which later evolved to signify sharpness or enthusiasm. It is also linked to Old High German "kuoni" (brave) and Irish "caoin" (to wail).

Derivatives

• Keenly (adverb)
• Keenness (noun)
• Keen-eyed (adjective)
• Overkeen (adjective)
• Keen-witted (adjective)

Synonyms

• Enthusiastic
• Sharp
• Eager

Antonyms

• Indifferent
• Dull
• Uninterested

Usage

The term "keen" is widely used in various contexts, such as describing someone's enthusiasm, sharpness of mind, or intense feelings. For example, "She is a keen student of history," or "The detective had a keen sense of observation."

Related Terms

• Acuity: Sharpness or keenness of thought or perception.
• Vigilance: The action of keeping careful watch.
• Passion: Intense enthusiasm or desire.

Detailed Definitions

Adjective

• Having or showing eagerness or enthusiasm: Describes someone highly interested or passionate.
  • Example: "He is keen on learning new languages."
• Sharp or penetrating: Refers to mental sharpness or physical acuity.
  • Example: "The critic offered keen insights into the film."
• Intense or focused: Indicates a high degree of emotion or interest.
  • Example: "She felt a keen sense of responsibility."

Noun (archaic)

• A lament or wail for the dead: Refers to a mournful cry.
  • Example: "The keen echoed across the valley."

Verb (rare)

• To wail in grief: Describes the act of lamenting or mourning loudly.
  • Example: "The mourners keened for the departed."