noun, takes する, intransitive verb

Messages.yoji.
  1. hit it off with (a person), find a kindred spirit in (a person), sympathy, mutual understanding.

Variations

Pronunciation Kanji Kana Is Common
意気投合 いきとうごう

Contained Kanji Breakdown

idea, mind, heart
イ もと よし (3rd, N4)
sound, noise
おと オン ね (1st, N4)
stand up, rise, set up
た.つ リツ たつ (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
day, sun, Japan
ひ にっ ニチ (1st, N5)
heart, mind, spirit
こころ シン (2nd, N4)
spirit, mind, air
キ き ケ (1st, N5)
spirit, steam radical (no. 84)
キ ケ いき (Kentei 1)
person(人) variant
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)
throw, discard, abandon
トウ な.げる (3rd, N3)
hand, hand radical (no. 64)
シュ
pike, windy-again radical (no. 79)
シュ また ほこ (Kentei 1)
table, table enclosure, table or windy radical (no. 16)
キ きにょう (Kentei 1)
or again, furthermore, on the other hand
また ユウ やす (8th, N1)
fit, suit, join
あ.う あい- ゴウ (2nd, N3)
to assemble. to gather together
シュウ あつまる
person
ひと ニン ジン (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
mouth
くち コウ ク (1st, N4)