Find Synonyms

flint Synonyms

Another word for flint

Choosing another word for flint depends on context, so the 11 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
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• noun (Context 1)

A very hard, fine-grained sedimentary form of the mineral quartz, typically gray or black in color, that fractures with sharp edges and produces sparks when struck against steel.

Usage Example

"Early humans shaped pieces of flintstone into sharp arrowheads, scrapers, and hand axes."

Strongest
flintstone
Strong
chert

• noun (Context 2)

A small piece of hard alloy or stone used in a cigarette lighter, survival kit, or historic firearm mechanism to produce a spark for ignition.

Usage Example

"The antique brass lighter stopped working because its tiny firestone had worn down completely."

Strong
firestone
ferrocerium

• noun (Context 3)

Something extremely hard, unyielding, or stern, especially in reference to a person's expression, heart, or temperament.

Usage Example

"There was a glint of cold adamant in the magistrate's eyes as he delivered the verdict."

Strongest
adamant
Strong
steel
iron
granite
stone
hardness
sternness

Opposites of flint

The opposite of flint shifts depending on context. Common opposites include:

softness
tenderness
gentleness
warmth
See all opposites of flint

• Nearby Words

flinchingly
flinders
fling
flint
flintlock
flinty
flip

Cite this Entry

Wordmom. (2026). Synonyms for Flint. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/flint
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