なに
何

pronoun

  1. what.
  2. you-know-what, that thing.
  3. whatsit, whachamacallit, what's-his-name, what's-her-name.

noun

Colloquialism, usually written with kana alone. Esp. ナニ.
  1. penis, (one's) thing, dick.

adverb

With neg. sentence.
  1. (not) at all, (not) in the slightest.

interjection

  1. what?, huh?. Indicates surprise.
  2. hey!, come on!. Indicates anger or irritability.
  3. oh, no (it's fine), why (it's nothing), oh (certainly not). Used to dismiss someone's worries, concerns, etc..

Variations

Pronunciation Kanji Kana Is Common
なに
何
 何 なに ✔
　
ナ
　
ニ
 ナニ

Contained Kanji Breakdown

what
なに　なん　カ (2nd, N5)
human radical (no. 9)
can, passable, approval
カ　コク　-べ.き (5th)
street, ward, town
チョウ　テイ　チン (3rd, N1)
mouth
くち　コウ　ク (1st, N4)