安あん楽らく椅い子す探たん偵てい

noun

armchair detective

Refers to a fictional detective who solves crimes from home without visiting the crime scene, or a reader who tries to solve a mystery before the fictional detective does. Often used in discussions of detective fiction.

See also: アームチェアディテクティブ

• 安あん楽らく椅い子す探たん偵ていものの小しょう説せつが好すきです。

  I like novels featuring an armchair detective.

• 読どく者しゃも安あん楽らく椅い子す探たん偵ていになって犯はん人にんを推すい理りする。

  The reader also becomes an armchair detective and deduces the culprit.