1. Containing more alcohol than proof spirit; stronger than proof spirit; that is, containing more than 49.3 per cent by weight of alcohol

Encyclopedia: Overproof

• unskilled person
• unskillful
• unskillfulness
• unslaked lime
• unsleeping
• unsling
• unsloped
• unsmiling
• unsmilingly
• unsmooth
• unsmoothed
• unsnarl
• unsnarled
• unsnarling
• unsociability
• unsociable
• unsociableness
• unsociably
• unsocial
• unsoiled
• unsold
• unsolder
• unsoldierly
• unsolicited
• unsoluble