Something trifling, or of no consequence or importance.
A trivial remark especially in the term sweet nothings.
A nobody (insignificant person).
Not any thing; no thing.
An absence of anything, including empty space, brightness, darkness, matter, or a vacuum.
Lifeless, dull, or banal.
Offering nothing that is stimulating or challenging.
Tasteless, bland, or insipid.