Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun flint

3 senses of flint

Sense 1
flint -- (a hard kind of stone; a form of silica more opaque than chalcedony)
       => silica, silicon oxide, silicon dioxide -- (a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite)

Sense 2
Flint, Flint River -- (a river in western Georgia that flows generally south to join the Chattahoochee River at the Florida border where they form the Apalachicola River)
       INSTANCE OF=> river -- (a large natural stream of water (larger than a creek); "the river was navigable for 50 miles")

Sense 3
Flint -- (a city in southeast central Michigan near Detroit; automobile manufacturing)
       INSTANCE OF=> city, metropolis, urban center -- (a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city")

Antonyms of adj flint

1 sense of flint

Sense 1
flinty, flint, granitic, obdurate, stony -- (showing unfeeling resistance to tender feelings; "his flinty gaze"; "the child's misery would move even the most obdurate heart")

INDIRECT (VIA hardhearted) -> softhearted, soft-boiled -- (easily moved to pity or sorrow; "a softhearted judge")

Similarity of adj flint

1 sense of flint

Sense 1
flinty, flint, granitic, obdurate, stony -- (showing unfeeling resistance to tender feelings; "his flinty gaze"; "the child's misery would move even the most obdurate heart")
       => hardhearted (vs. softhearted), heartless -- (lacking in feeling or pity or warmth)