noun Someone trained to shoot accurately at targets from a hidden position, often at long range.
- The sniper waited patiently on the rooftop for hours.
- In the film, a sniper hides in a tower and watches the street below.
- The army trained her as a sniper because of her steady hands.
noun A person who repeatedly criticizes others, often unfairly or from a safe distance.
- No winnable seat has been found for Mr. H. L. Nathan, a powerful recruit from the Liberal ranks, and poor Mr. Wedgwood Benn, an invaluable sniper for a party in Opposition, has been out of Parliament now since 1931.
— The Living Age (1934)
- Online snipers love picking apart every decision the coach makes.
- Every time she posts a recipe, the same sniper leaves a nasty comment.
- The manager ignored the snipers who criticised him from the back row.