molly

noun mol·ly \ ˈmä-lē \
variants: or less commonly mollie

Definition of molly

plural mollies
: any of various small, often brightly colored tropical fish (genus Poecilia) that are live-bearers found in fresh, brackish, or salt water and include several that are highly valued as aquarium fishes

Recent Examples of molly from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'molly.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of molly

by shortening from New Latin Mollienisia, former genus name, from Comte François N. Mollien †1850 French statesman


Medical Dictionary

Molly

noun Mol·ly \ ˈmä-lē \

medical Definition of Molly

: the illicit drug ecstasy especially when in a powdered or crystalline form contained in a capsule
  • Experts say Molly, though often touted as pure, is often mixed with other drugs and ingredients, perhaps even more than the Ecstasy of yesteryear.
  • —Helena OliveiroThe Atlanta Journal-Constitution8 June 2013

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