合う

あう

to fit, to match

JLPT N4

Character Breakdown

Meaning and Usage

The verb 合う (あう) primarily means "to fit" or "to match." It is used when two things correspond well, such as sizes, personalities, schedules, or opinions. It often implies harmony or suitability between elements.

Common Contexts

  • Clothing or objects fitting well (size, shape).
  • People matching in personality or preferences.
  • Schedules or plans aligning.

Collocations and Patterns

  • サイズが合う: size fits
  • 性格が合う: personalities match
  • 予定が合う/合わない: schedules match/do not match

Nuances and Tips

When using 合う for people, it suggests a good relationship or compatibility. For schedules, it indicates whether times are convenient for all parties. Be careful not to confuse 合う with 会う (to meet), which is a homophone but different in meaning and kanji.

Register

合う is a common verb used in everyday conversation and is appropriate in both casual and polite contexts depending on the sentence ending.

Example Sentences

このしゃつはさいずがあう。

This shirt fits (me) in size.

かれとはせいかくがあうから、ともだちになった。

Because our personalities match, we became friends.

よていがあわなくて、かいぎをえんきした。

Our schedules didn’t match, so we postponed the meeting.