110-proof Definition

adjective

(US) Used other than as an idiom: 55% alcohol by volume..

Wiktionary

(idiomatic) Stronger than strong.

Wiktionary
adverb
Wiktionary

Origin of 110-proof

  • Most hard liquor sold at retail in the United States is between 80 and 95 proof. (Bootlegged whiskey can be much stronger.) So 110 proof is quite strong.

    From Wiktionary

  • See proof.

    From Wiktionary