paperknife

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun dull knife used to cut open the envelopes in which letters are mailed or to slit uncut pages of books

From paper + knife.

She took a thin paperknife and slipped it into the narrow crack. — The Seven Dials mystery, Agatha Christie
Soames slowly passed a little inlaid paperknife over the smooth surface of a marqueterie table; then, without looking at his nephew, he began: “You don’t understand what your mother has had to put up with these twenty years. — The Forsyte Saga - Complete, John Galsworthy

letter opener, paper knife

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