あ
合
　
う

Godan verb, intransitive verb

  1. to come together, to merge, to unite, to meet.
  2. to fit, to match, to suit, to agree with, to be correct.
  3. to be profitable, to be equitable.

auxiliary verb, Godan verb

After the -masu stem of a verb.
  1. to do ... to each other, to do ... together.

Variations

Pronunciation Kanji Kana Is Common
あ
合
　
う
 合う あう ✔
お
合
　
う
 合う おう

Contained Kanji Breakdown

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)