Liquor/ˈlɪkər/ Definition 1 of 4Pro Tip 1/3Social Settings The term 'liquor' often refers to beverages consumed in social gatherings or celebrations. We need to buy some liquor for the party tonight. Pro Tip 2/3Degree of Alcohol 'Liquor' usually means beverages with a higher alcohol content than beer or wine. He prefers liquor over beer because it's stronger. Pro Tip 3/3Legal Restrictions Keep in mind, selling and buying 'liquor' may be legally restricted by age in many places. You must be over 21 to purchase liquor in the U.S.