🇯🇵Japanese Source WordCode: JA

鋭敏さを保つ

Native Script:日本語

Pronunciation / Transliteration: eibinsa o tamotsu

🇬🇧 Direct English Meaning:
Stay-sharp/ˈsteɪ ʃɑːrp/
adjectiveCEFR B2 (Upper)Top #14500 frequency
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🇯🇵 Example Sentence in Japanese:

"頭の鋭敏さを保つためにパズルを解く。"

Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Remaining mentally alert, focused, and cognitively agile over a prolonged period.

    "Doing daily puzzles helps older adults stay-sharp and retain their memory."
  2. 2

    Designed or treated to maintain a cutting or working edge without frequent sharpening.

    "These kitchen knives feature a stay-sharp ceramic coating that lasts for years."

Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Formed from the imperative verb phrase 'stay' (from Old English stician/standan, later evolving to mean 'continue to be') and the adjective 'sharp' (from Old English scearp, meaning keen or piercing). Originally used in manufacturing and tool design to describe materials that maintain a cutting edge, the term has evolved metaphorically to describe cognitive alertness and mental acuity.

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