- any brightly coloured tropical or subtropical American freshwater cyprinodont fish of the genus Mollienisia
WordReference Random House Unabridged Dictionary of American English © 2026
mol•ly
(mol′ē),USA pronunciation n., pl. -lies.
Mol•ly (mol′ē),USA pronunciation pl. -lies. [Trademark.]
Mol•ly (mol′ē),USA pronunciation n.
- Fishany of certain livebearing freshwater fishes of the genus Mollienisia, popular in home aquariums.
- see -ia shortened from Neo-Latin Mollienisia, irregularly named after Count French.north, northern. Mollien (1758–1850)
Mol•ly (mol′ē),USA pronunciation pl. -lies. [Trademark.]
- Trademarks, Buildinga brand of expansion bolt having a split, sleevelike sheath threaded at one end so that when inserted snugly into masonry the turning of the bolt draws the ends of the sheath together, thus spreading the sides.
Mol•ly (mol′ē),USA pronunciation n.
- a female given name, form of Mary or Milicent.
Collins Concise English Dictionary © HarperCollins Publishers::
molly /ˈmɒlɪ/ n ( pl -lies)
molly /ˈmɒlɪ/ n ( pl -lies)
- Irish informal an effeminate, weak, or cowardly boy or man
'Molly' also found in these entries (note: many are not synonyms or translations):