Overproof
adj, noun, verb ·Rare ·Advanced level
Definitions
- 1 A spirit possessing a higher proportion of alcohol than proof spirit.
"[E]ach degree of the hydrometer, when at or near proof, is about a quart in a hundred gallons stronger or weaker, as the hydrometer vibrates under or over the silver speck or sight on the index or upper stem; at the intermediate or strong overproofs, is about a pint in ditto; and at the low underproofs is about three pints in ditto."
- 1 To proof (allow dough containing yeast to rise) excessively. transitive
"The product may have an open or irregular grain because of the following: a. Underproofing or Overproofing the Dough. b. Too Little Fermentation. c. Baking in an Oven That is Too Cool."
- 1 Possessing a higher proportion of alcohol than proof spirit. not-comparable
"Leeward Island Rums are but seldom brought to this country at a higher rate of strength, than eight or ten per cent. overproof."
Synonyms
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More examples"Leeward Island Rums are but seldom brought to this country at a higher rate of strength, than eight or ten per cent. overproof."
Etymology
From over- + proof.
Related phrases
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.