filly

noun

fil·​ly ˈfi-lē How to pronounce filly (audio)
plural fillies
Synonyms of fillynext
1
: a young female horse usually of less than four years
2
: a young woman : girl

Examples of filly in a Sentence

she's still a filly, so she has plenty of time to decide what she wants to do in life
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Always a Runner won the 152nd edition of the Kentucky Oaks on Friday night, the first time the race for top 3-year-old fillies has been run under the lights in prime time at Churchill Downs. Stephen Whyno, Chicago Tribune, 2 May 2026 The day before the Kentucky Derby each year is known as Ladies’ Day, with several stakes races for fillies and mares, highlighted by the Kentucky Oaks. Jay Posner, Los Angeles Times, 2 May 2026 This is the premier stage for three-year-old fillies. Geoff Clark Outkick, FOXNews.com, 1 May 2026 Like the Kentucky Derby, the Kentucky Oaks uses a points system to determine which 3-year-old fillies will be eligible to run. Teresa Genaro, New York Times, 30 Apr. 2026 See All Example Sentences for filly

Word History

Etymology

Middle English fyly, from Old Norse fylja; akin to Old English fola foal

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of filly was in the 15th century

Browse Nearby Words

Cite this Entry

“Filly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/filly. Accessed 11 May. 2026.

Kids Definition

filly

noun
fil·​ly ˈfil-ē How to pronounce filly (audio)
plural fillies
: a young female horse usually less than four years old

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