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flint Synonyms

Another word for flint

Looking for synonyms for flint? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for flint, organized by relevance and context.
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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 silex into sharp arrowheads, scrapers, and hand axes."

Strongest
silex
Strong
chert
Weak
quartz

• 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
igniter

• 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."

Strong
adamant
stone
granite

Opposites of flint

Looking for antonyms? The opposite of flint varies depending on the context. Here are a few common opposites:

softness
tenderness
See all opposites of flint

Cite this Entry


Wordmom. (2026). Synonyms for Flint. In Wordmom Thesaurus. Retrieved Oct 16, 2026, from https://wordmom.com/synonyms/flint
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