How to say “slow” in Japanese

遅い
おそいosoi
い-adjectiveJLPT N5Adjectives
The short answer

“Slow” in Japanese is 遅い (おそい), pronounced osoi.

Pronunciation

The word has 3 beats (morae), each about the same length. Tap a syllable to hear it, or play the whole word:

How to use it

Slow, and also late. : sorry I’m late.

Example sentences

  • このパソコンは遅いです。このパソコンはおそいです。
    This computer is slow.
  • 遅くなってすみません。おそくなってすみません。
    Sorry I’m late.

Conjugation

The most useful forms of . The rules are explained in い- vs. な-adjectives.

FormJapaneseMeaning
Plain おそいslow
Polite present おそいですis slow
Negative おそくないですisn’t slow
Past おそかったですwas slow
Past negative おそくなかったですwasn’t slow
て-form おそくてslow and…
Adverb (く) おそくadverb form (+ verb)

Quick practice

Test yourself0/3
  1. What does {{遅い}} mean?

  2. How do you read {{遅い}}?

  3. Which word means “near”?

FAQ

How do you say slow in Japanese?

Slow in Japanese is 遅い (おそい), pronounced “osoi”.

How do you write slow in Japanese?

It's written 遅い with kanji, or おそい in hiragana. Both are read osoi.

Is 遅い on the JLPT?

Yes. 遅い (osoi) is a common word at JLPT N5 level, so it's worth learning early.