1. pronoun /ˈnʌθɪŋ/
a) Not any thing; no thing.
I didnt see nothing. [= I didnt see anything].
b) An absence of anything, including empty space, brightness, darkness, matter, or a vacuum.
Syn: jack, nada, zip, bugger all, jack shit, sod all, fuck all, nowt, inconsequential, insignificant, of no consequence, trifling, unimportant
2. noun /ˈnʌθɪŋ/
a) Something trifling, or of no consequence or importance
What happened to your face? — Its nothing.
b) A trivial remark (especially in the term )
Youre nothing to me now!
3. adverb /ˈnʌθɪŋ/
Not at all; in no way.
Wikipedia foundation.