Used other than figuratively or idiomatically: see no, shit. / (colloquial, vulgar) An exclamation of amazement or disbelief.

absolutely nothing, none of something.

One instance of an event (such as the arrival of a single bird) does not necessarily indicate a trend.

(grammar) A noun that modifies another noun (thus functioning adjectivally) and that is optional (that is, it can be removed without affecting the grammar and essential meaning of the sentence); it may be a single word or a compound noun or noun phrase.

Alternative spelling of nonviolence

(grammar) A noun that modifies another noun attributively and that is optional (that is, it can be removed without affecting the grammar of the sentence); a noun used as an adjective.

(medicine, psychology, psychiatry) A state of agitation or confusion, especially in elderly patients suffering from Alzheimer's disease or other forms of dementia, which begins daily at nightfall and which is alleviated by daylight.

To be extremely surprised by an event.

Even, furthermore, not to mention. / (literally) Just as, equally, as much/many as, not less, none the less.

(idiomatic, of the technique for committing suicide) Along the radial artery rather than across the wrist from side to side.