必要ない

hitsuyou nai

unnecessary

この書類は必要ない。

This document is unnecessary.

informal

not necessary; not required

今日は会議がないから、早く帰ってもいいよ。出社する必要ない。

There’s no meeting today, so you can go home early. There’s no need to come to the office.

Used to state that something is not needed. Works in both spoken and written Japanese.

Collocations

必要ないと言うto say it is unnecessary必要ないと感じるto feel it is unnecessary

Synonyms

不要要らない

Antonyms

必要必須

Related Phrases

必要があるphrase

to be necessary

必要とするphrase

to require

Pro Tip

Choosing between 必要ない and 要らない

Both mean 'unnecessary', but '要らない' is more casual. Use '必要ない' in formal writing or when you want a slightly more neutral tone.

Gold Rule

Negation pattern

When negating a na‑adjective, attach 'ない' directly to the adjective stem (e.g., 必要 → 必要ない).

Word Origin

From the noun '必要' (necessary) + the negative verb 'ない' (not).

Usage Notes

Often appears after nouns to negate the necessity of the preceding item. Can replace '要らない' in many contexts, though '要らない' is slightly more colloquial.

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