1
Support an argument
Add evidence that makes a claim stronger.
Example
New records buttress the historian's interpretation.
buttress
/ˈbʌtrəs/ · BUT-ruhsverb
To support, strengthen, or reinforce an argument or structure.
Use buttress when evidence or reasoning provides additional support to an existing claim.
What buttress Really Means
The word becomes easier to use when its closely related senses are separated and compared.
2
Reinforce a conclusion
Provide independent findings that increase confidence.
Example
The replication buttressed the original result.
3
Support physically
Brace a wall or structure against pressure.
Example
Stone arches buttress the cathedral's outer walls.
Use buttress Naturally
Notice how the surrounding noun or clause reveals the exact shade of meaning.
New records buttress the historian's interpretation.
The replication buttressed the original result.
Stone arches buttress the cathedral's outer walls.
Precision Matters
Buttress overlaps with several common words, but each carries a different emphasis.
buttress
vs.Often specifically evokes supporting evidence or a brace.
bolster
Broadly strengthens confidence, capacity, or position.
buttress
vs.Strengthens a claim.
substantiate
Establishes it with evidence.
buttress
vs.Adds support.
undermine
Weakens support—the contrast.
buttress
vs.May support an argument broadly.
corroborate
Confirms an account with independent evidence.
Test buttress in Context
The letters add support to an existing argument.
1
The newly dated letters ___ the scholar's argument by providing independent evidence that the writers met in 1912.