noun, takes する, intransitive verb

Usu. with a negative nuance.
  1. putting an idea into someone's head, suggestion, hint.

Variations

Pronunciation Kanji Kana Is Common
 
入れ知恵 いれぢえ
 
入れ智慧 いれぢえ
入知恵 いれぢえ

Contained Kanji Breakdown

enter, insert
い.る はい.る ニュウ (1st, N5)
know, wisdom
し.る チ しり (2nd, N4)
dart, arrow
や シ (2nd, N1)
person, (人 variant)
large, big
ダイ おお- た (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
person
ひと ニン ジン (1st, N5)
mouth
くち コウ ク (1st, N4)
favor, blessing, grace
エ めぐ.む ケイ (Early Jr. High, N1)
ten fields
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
wherefore, a reason
ユウ ユ ユイ (3rd, N3)
day, sun, Japan
ひ にっ ニチ (1st, N5)
number one, line, rod radical (no. 2)
コン シ ジョ
heart, mind, spirit
こころ シン (2nd, N4)