Nothing
Definition of nothing:
part of speech: adverb
part of speech: noun
part of speech: noun
No thing: nonexistence: absence or negation of being: no part or degree: a low condition: no value or use: not anything of importance, a trifle: utter insignificance, no difficulty or trouble: no magnitude: a cipher.
part of speech: adverb
part of speech: noun
Not anything; as, I have nothing to say; a thing of no value, use, or importance; a cipher; a nobody.