必要ない
hitsuyou naiadjective★Intermediate
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
Antonyms
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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