毎(まい)〜

まい

prefix

every; each

formalcolloquial

1. every; each

Prefix indicating regular occurrence or all instances of something.

毎日(まいにち)運動(うんどう)している。

I exercise every day.

毎(まい) + 日(にち) = every day

毎週(まいしゅう)金曜日(きんようび)に会議(かいぎ)がある。

There's a meeting every Friday.

毎(まい) + 週(しゅう) = every week

毎回(まいかい)同(おな)じ間違(まちが)いをする。

I make the same mistake every time.

毎(まい) + 回(かい) = every time

毎朝(まいあさ)七時(しちじ)に起(お)きる。

I wake up at seven every morning.

毎年(まいとし)夏(なつ)に海(うみ)に行(い)く。

I go to the beach every summer.

毎(まい)〜 is a very common prefix meaning 'every.'

Time expressions

毎日(まいにち) (every day)
毎週(まいしゅう) (every week)
毎月(まいつき) (every month)
毎年(まいとし) (every year)
毎朝(まいあさ) (every morning)
毎晩(まいばん) (every night)
毎度(まいど) (every time; each time)
毎回(まいかい) (every time; each occasion)

Note on readings

毎月(まいつき) (colloquial) vs 毎月(まいげつ) (formal)
毎年(まいとし) (colloquial) vs 毎年(まいねん) (formal)

Other uses

毎食(まいしょく) (every meal)
毎秒(まいびょう) (every second)
毎時(まいじ) (every hour; hourly)

basic

Added 2026.1.13 16:20 · Revised 2026.9.2 13:01

03500/03968_mai