biting
1 adj Biting wind or cold is extremely cold.
(=piercing)
...a raw, biting northerly wind...
2 adj Biting criticism or wit is very harsh or unkind, and is often caused by such feelings as anger or dislike. ...a furore caused by the author's biting satire on the Church...
nail-biting
If you describe something such as a story or a sports match as nail-biting, you mean that it makes you feel very excited or nervous because you do not know how it is going to end. adj
...the nail-biting legal thriller, `The Pelican Brief'.