利り器き

noun

sharp tool; sharp weapon

Refers to a sharp-edged implement or weapon. Often contrasted with 鈍器 (blunt instrument).

Antonyms: 鈍器

• 包ほう丁ちょうは料りょう理りの利り器きだ。

  A kitchen knife is a sharp tool for cooking.

• 犯はん人にんは利り器きで襲おそったと見みられる。

  The suspect is believed to have attacked with a sharp weapon.

noun

convenience; facility

Used in the phrase 文明の利器 (conveniences of modern civilization) and similar expressions. Not used as a standalone word for 'convenience'.

See also: 文明の利器

• スマートフォンは現げん代だいの文ぶん明めいの利り器きだ。

  Smartphones are a convenience of modern civilization.

noun

superior talent; outstanding ability

Obsolete. Historically used to refer to a person of exceptional ability, but no longer in modern use.

• 古ふるい文ぶん献けんでは、利り器きは優すぐれた才さい能のうを指さすことがある。

  In old documents, 利器 can refer to superior talent.