何も|なにもnanimo

1. expression(not) anything; (nothing) at all; (not) any; nothingwith neg. verb
   過あやまちのない者ものは何なんも作り出つくりだせない。↗

   He who makes no mistakes makes nothing.
2. expressionand everything else; and allas ...も何も
   車くるまも何なんもなく、生活保護せいかつほごで生いきてます。↗

   I'm living on welfare, without a car or anything.
3. expression(not) at all; (not) in the least; (not) especially; (not) to that extentas ...なくてもいい, ...ことはない, etc.

• SynonymまるっきりCasualColloquial. With a negative it stresses degree—'completely not', as in 「まるっきり分からない」. 「何も」 can also mean there's no need to bother.
• SynonymまったくNeutralNeutral. With a negative it stresses degree, as in 「全く知らない」, and it also works in affirmative sentences and as an exclamation.
• Synonym一切いっさいWrittenWritten/formal prose. With a negative it flatly denies across the board, as in 「一切関係ない」; the tone is firm.
• Synonym全然ぜんぜんNeutralCommon in speech. With a negative it means 'not at all', as in 「全然分からない」. 「何も」 alone can also mean 'no need', as in 「何もそこまで」.
• Synonym皆目かいもくWrittenWritten/formal prose. With a negative it means 'completely not', mostly in 「皆目見当がつかない」.
• SynonymさっぱりCasualColloquial. With a negative it means 'completely not', as in 「さっぱり分からない」; its basic sense is 'refreshing, neat'.
• SynonymからっきしCasualColloquial. With a negative it means 'utterly no good', as in 「からっきしダメだ」—often said of poor ability.
• SynonymまるきりCasualColloquial, same meaning as 「まるっきり」: with a negative, 'completely not', but slightly weaker in tone.
• Related一向いっこうWrittenWritten/formal prose. With a negative it means 'not in the least', as in 「一向に進まない」, typically for things showing no progress.
• Related根っからねっからCasualColloquial. Means 'by nature, to the core', as in 「根っからの悪人」; with a negative it means 'fundamentally not'.
• RelatedきれいさっぱりCasualColloquial. Means 'thoroughly, leaving nothing', as in 「きれいさっぱり忘れる」—it stresses that something vanishes completely.
• RelatedとんとWrittenWritten/formal prose. With a negative it means 'completely not', as in 「とんと見かけない」; it has an old-fashioned ring.
• Related完膚なきまでかんぷなきまでWrittenWritten/formal prose. An idiom meaning 'thoroughly, leaving nothing intact', as in 「完膚なきまでに叩きのめす」—used for defeating or refuting someone.
• Related徹頭徹尾てっとうてつびWrittenWritten/formal prose. Means 'consistent from start to finish', as in 「徹頭徹尾反対する」, stressing an unchanging stance.
• Antonym何かなにかNeutralNeutral. Means 'something', as in 「何かある」—the opposite of 「何も」, which negates everything.

Use 「何も」 with a negative for 'nothing at all', or to say there's no need. For degree, 「全然」 is the everyday choice and 「全く」 is neutral; 「一切」 flatly denies, 「一向に」 fits lack of progress, 「まるっきり」「さっぱり」 are colloquial, and 「皆目」「とんと」 are written.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （打消うちけしの語ごを伴ともなって）特とくにそうする必要ひつようがないさま。別段べつだん。わざわざ。
2. （打消うちけしの語ごを伴ともなって）特とくにそうする意図いとや願望がんぼうなどがないさま。別段べつだん。別べつに。
3. （打消うちけしの語ごを伴ともなって）特とくにそうだというのではないさま。別段べつだん。別べつに。