Word
molly
Phoneticsmol·ly, stress on the first syllable
US/ˈmɑɫi/
UK/mˈɒli/
Definitions
01a name
A1 · Beginner Countable noun
n. a common nickname for the names Mary or Margaret.
n. a diminutive form of the female given names Mary or Margaret.
“My aunt's name is Mary, but everyone in the family calls her Molly.”
“While her legal documents state Margaret, she has gone by Molly since her early childhood in Dublin.”
02a fish
B2 · Upper Intermediate Countable noun
n. a small, colourful tropical fish often kept in home aquariums.
n. any of several small, live-bearing tropical fish of the genus Poecilia, popular in the aquarium trade.
“He added two black mollies to his fish tank yesterday.”
“The common molly is highly prized by amateur aquarists for its hardiness and variety of colour morphs.”
03a drug
C2 · Proficiency Uncountable noun Slang
n. a slang name for the drug MDMA, usually in powder or crystal form.
n. a slang term for the drug MDMA, specifically referring to the substance in a powdered or crystalline state rather than pill form.
“The police warned the public about the dangers of taking molly at music festivals.”
“The rise of molly in the club scene has been attributed to its reputation for being a purer form of ecstasy.”
Synonyms
Usage
Used as a proper noun in slang contexts; typically does not take an article.
Etymology
From Moll, diminutive lambdacism of Mary + -y.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Idioms
01. hairy molly
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 6.0114–120
- Frequency
- Frequent
- Level
- C2 · Proficiency
- Updated
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