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[fil-ee] /ˈfɪl i/
noun, plural fillies.
a young female horse.
Informal. a girl or young woman.
Origin of filly
late Middle English
1400-50; late Middle English fyly < Old Norse fyla female foal Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for filly
Contemporary Examples
Historical Examples
  • So, calling to his wife, the two of them together, tried their skill to catch the filly.

    Welsh Fairy Tales William Elliott Griffis
  • She kept striking her side—she fancied it was a help to the filly.

  • How long he stayed there, the filly nuzzling him like a mother, he did not know.

    Garrison's Finish W. B. M. Ferguson
  • Where his fellow man had withheld, the filly had given her all and questioned not.

    Garrison's Finish W. B. M. Ferguson
  • The handlers fell back in silence as Garrison approached the filly.

    Garrison's Finish W. B. M. Ferguson
  • But Garrison was up like a feather, high on the filly's neck, his shoulders hunched.

    Garrison's Finish W. B. M. Ferguson
  • The filly quivered for a moment, laid back her ears, and then was off.

    Garrison's Finish W. B. M. Ferguson
  • Without a word she handed it to Garrison, and he spread it out on his filly's mane.

    Garrison's Finish W. B. M. Ferguson
  • I've got a filly which I think will give the colonel's Rogue a hard drive.

    Garrison's Finish W. B. M. Ferguson
British Dictionary definitions for filly


noun (pl) -lies
a female horse or pony under the age of four
(informal, rare) a spirited girl or young woman
Word Origin
C15: from Old Norse fylja; related to Old High German fulihha; see foal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for filly

c.1400, fyly, possibly from Old Norse fylja, fem. of foli "foal" (see foal (n.)). Slang sense of "young girl" is from 1610s.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for filly



A girl; young woman

[1616+; fr French fille, ''girl'']

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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