An exclamation or expression of alarm, concern, or resentment about a problem or error.

(wrestling) Without restrictions on holds or what opponents may do.

a transuranic chemical element (symbol No) with an atomic number of 102.

None at all.

Introduces or constitutes a more emphatic negation or exclusion than "not".

(colloquial) Used to express strong disappointment or disapproval.

(idiomatic) Useless; worthless.

A person of little worth or usefulness.

Not any thing; no thing. / An absence of anything, including empty space, brightness, darkness, matter, or a vacuum.

Something trifling, or of no consequence or importance. / A trivial remark (especially in the term sweet nothings). / A nobody (insignificant person).