alcohol

noun

al·​co·​hol ˈal-kə-ˌhȯl 

1

a

: ethanol especially when considered as the intoxicating agent in fermented and distilled liquors

b

: drink (such as whiskey or beer) containing ethanol

c

: a mixture of ethanol and water that is usually 95 percent ethanol

2

: any of a class of organic (see organic entry 1 sense 1b(2)) compounds that are analogous to ethanol and that are hydroxyl derivatives of hydrocarbons

Synonyms of alcohol

• liquor
• booze
• drink

Examples of alcohol in a Sentence

cough medicine that contains alcohol

drinks that are high in alcohol

There was a high level of alcohol in his blood at the time of the accident.

a mixture of different alcohols

The restaurant had a license to serve alcohol.

Recent Examples on the Web

Investigators had not determined whether alcohol or drugs played a role in the crash, CHP officials said Wednesday. — Darrell Smith, Sacbee.com, 4 Nov. 2026

However, Collingswood restaurants can't start serving alcohol just yet. — New Jersey, CBS News, 4 Nov. 2026

Some in the alcohol and marijuana industries support an imminent ban with further regulation down the line. — Sarah Owermohle, CNN Money, 3 Nov. 2026

While flight delays, cancellations and baggage issues contribute to disruptive behaviour, by far the biggest factor is alcohol. — The Week Uk, TheWeek, 3 Nov. 2026

Word History

Etymology

New Latin, from Medieval Latin, powdered antimony, from Old Spanish, from Arabic al-kuḥul the powdered antimony, from kuḥl kohl

First Known Use

1672, in the meaning defined at sense 1a

Phrases Containing alcohol

• alcohol by volume
• alcohol use disorder
• amyl alcohol
• anti-alcohol
• butyl alcohol
• cetyl alcohol
• ethyl alcohol
• fetal alcohol spectrum disorder
• fetal alcohol syndrome
• grain alcohol
• isopropyl alcohol
• lauryl alcohol
• methyl alcohol
• polyvinyl alcohol
• rubbing alcohol
• sugar alcohol
• vinyl alcohol
• wood alcohol

Rhymes for alcohol

• aerosol
• arbitral
• basketball
• butanol
• cannonball
• carbinol
• cortisol
• ethanol
• fireball
• gasohol
• gossypol
• guaiacol

Kids Definition

alcohol

noun

al·​co·​hol ˈal-kə-ˌhȯl 

1

a

: ethanol especially when used as the substance in fermented or distilled liquors (as beer or whiskey) that can make one drunk

b

: drink (as beer, wine, or whiskey) containing ethanol

2

: any of various carbon compounds that are similar to ethanol in having one or more hydroxyl groups

Medical Definition

alcohol

noun

al·​co·​hol ˈal-kə-ˌhȯl 

1

a

: ethanol especially when considered as the intoxicating agent in fermented and distilled liquors

b

: drink (as whiskey or beer) containing ethanol

c

: a mixture of ethanol and water that is usually 95 percent ethanol

2

: any of various compounds that are analogous to ethanol in constitution and that are hydroxyl derivatives of hydrocarbons