fluke

1 of 3

noun (1)

1
: a stroke of luck
the discovery was a fluke
Her second championship shows that the first one was no mere fluke.
2
: an accidentally successful stroke at billiards or pool

fluke

2 of 3

noun (2)

1
2
: a flattened digenetic trematode worm
broadly : trematode compare liver fluke

fluke

3 of 3

noun (3)

1
: the part of an anchor that fastens in the ground see anchor illustration
2
: one of the lobes of a whale's tail

Examples of fluke in a Sentence

Noun (1) the discovery of oil on their property was just an amazing fluke
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.
Noun
Proving that win was not a fluke, Reyes knocked out former title challenger Anthony Smith at UFC 310. Trent Reinsmith, Forbes.com, 31 July 2025 When research replicates, the team can be more confident that the results are not a fluke or an error. Amanda Kay Montoya, The Conversation, 17 July 2025 This epic final matchup was a fluke injury away from potentially not materializing. Dan Santaromita, New York Times, 12 July 2025 If the Pistons plan to take steps forward next season to move past the first round of the playoffs, Holland will need to show consistently that Friday was not a fluke. Hunter Patterson, New York Times, 12 July 2025 See All Example Sentences for fluke

Word History

Etymology

Noun (1)

origin unknown

Noun (2)

Middle English floke, fluke, from Old English flōc; akin to Old English flōh chip, Old High German flah smooth, Greek plax flat surface, and probably to Old English flōr floor — more at floor

Noun (3)

perhaps from fluke entry 2

First Known Use

Noun (1)

1857, in the meaning defined at sense 2

Noun (2)

before the 12th century, in the meaning defined at sense 1

Noun (3)

1561, in the meaning defined at sense 1

Time Traveler
The first known use of fluke was before the 12th century

Browse Nearby Words

Cite this Entry

“Fluke.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fluke. Accessed 7 Aug. 2025.

Kids Definition

fluke

1 of 3 noun
: any of various trematode flatworms compare liver fluke

fluke

2 of 3 noun
1
: the part of an anchor that digs into the ground
2
: a barbed head (as of a harpoon)
3
: one of the lobes of a whale's tail

fluke

3 of 3 noun
: a stroke of good luck
won by a fluke
fluky
ˈflü-kē
adjective

Medical Definition

fluke

noun
: a flattened digenetic trematode worm
broadly : trematode see liver fluke

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