sandpaper

plural of flint mill

(hyperbolic, figuratively) Go to great lengths to save or gain something, particularly money. / Used other than figuratively or idiomatically: see skin, a, flint.

Synonym of put a spoke in someone's wheel (“to thwart or obstruct someone in the execution of some design”)

An early type of firearm, using a spring-loaded flint to strike sparks into the firing pan. / A type of lock used on muskets, rifles, and pistols from the early 17th to the mid-19th century.

plural of flintstone

Outdated or no longer in vogue. / Preferring the customs of earlier times. / Evoking the Flintstones cartoon series.

A maritime traditional county of Wales, bounded to the north by the Irish Sea, to the northeast by the Dee estuary, to the east by Cheshire and to the south and southwest by Denbighshire. A detached part, Maelor Saesneg, is bounded on the northwest by Denbighshire, on the northeast by Cheshire, and on the south by Shropshire. There is a further small detached part around Marford.

A piece of flint.

simple past tense and past participle of flintify