na-adjective, noun which may take the genitive case particle 'no', noun
unnecessary; unneeded; not required
Used for things, actions, or people that are not needed or are superfluous. Often appears in formal notices, instructions, and everyday speech. The cross-reference 不用 is a near-synonym but 不要 emphasizes lack of necessity rather than uselessness.
See also: 不用
Please throw away unnecessary documents.
この書類はもう不要です。
This document is no longer needed.
不要不急の外出は控えてください。
Please refrain from non-essential and non-urgent outings.
This document is not needed.
Thanks to the new system, this feature has become unnecessary.
I got rid of unneeded items before moving.
不要 means 'unnecessary' or 'not needed', the direct opposite of 不可欠's 'indispensable'.
不要 means 'unnecessary', the direct opposite of マスト's sense of 'a must-have'.
不要 means 'unnecessary', the direct opposite of 所要's sense of being required or needed.
不要 means 'unnecessary', the direct opposite of 無くてはならない's sense of being indispensable.
不要 means 'unnecessary, not needed', the direct opposite of 要る 'to be needed'.
不要 means 'unnecessary/not needed', the direct opposite of 必携's sense of something one absolutely must carry.
commutative justice
garbage; unnecessary information
no advance reservation required; walk-in welcome