Synonym of Newton's flaming laser sword

A thin piece of steel with a sharp edge that can be fitted into a razor. / A replaceable cartridge in which razor blades are set, fitted into a razor.

(idiomatic) A dangerous person, who is not to be messed with.

(epistemology) The principle of preferring the simplest of competing theories.

Synonym of razor clam

As sharp as a razor; extremely sharp. / (idiomatic) Very clever or quick-witted.

(informal, usually pluralized) A skin eruption in the area of the mustache or beard, caused by irritation from shaving.

A philosophical razor stating that what can be asserted without evidence can be dismissed without evidence.

(figuratively) A dangerous or precarious situation.

A Caribbean plant, Scleria scindens, whose leaves and triangular stem are edged with minute sharp teeth.