A hard kind of stone; a form of silica more opaque than chalcedony.

Roget 323: hardness etc. adj.; rigidity; renitence^†, renitency; inflexibility, temper, callosity, durity^†.    induration, petrifaction; lapidification^†, lapidescence^†; vitrification, ossification; crystallization.    stone, pebble, flint, marble, rock, fossil, crag, crystal, quartz, granite, adamant; bone, cartilage; hardware; heart of oak, block, board, deal board; iron, steel; cast iron, decarbonized iron, wrought iron; nail; brick, concrete; cement.    ... show more

Dutch: keisteen, vuursteen, steentje, vuursteentje
Polish: krzemień

A river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River.

synonym: Flint River.

A city in southeast central Michigan near Detroit; automobile manufacturing.

Showing unfeeling resistance to tender feelings:
— His flinty gaze.

synonyms: flinty, granitic, obdurate, stony.