afoul of

preposition

ə-ˈfau̇-ləv How to pronounce afoul of (audio)
1
: in or into conflict with
ran afoul of the law
2
: in or into collision or entanglement with

Examples of afoul of in a Sentence

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.
In a rare lead role, one that gives him a frankly magnificent coat, Turturro adds to his late-career renaissance as an old-school pickpocket who runs afoul of a Gen-Z mobster. — Nate Jones, Vulture, 23 Oct. 2026 But Romo ran afoul of his assignment when he was arrested on July 23, after a traffic stop on southbound Interstate 43 near downtown Milwaukee, Wisconsin. — Armando Salguero Outkick, FOXNews.com, 22 Oct. 2026 Beyond domestic challenges, CATL is also scrambling to build more plants in Europe to avoid running afoul of increasing EU protectionism. — Brendan Ruberry, semafor.com, 21 Oct. 2026 The suit claims the Biscayne Bay area set for construction of the Seaquarium marina runs afoul of that language. — Douglas Hanks, Miami Herald, 21 Oct. 2026 See All Example Sentences for afoul of

Word History

Etymology

afoul "fouled, tangled," from a- entry 1 + foul entry 1

First Known Use

1819, in the meaning defined at sense 1

Time Traveler
The first known use of afoul of was in 1819

Rhymes for afoul of

See All Rhymes for afoul of

Browse Nearby Words

afoul
afoul of
AFP
See all Nearby Words

Cite this Entry

“Afoul of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/afoul%20of. Accessed 1 Nov. 2026.

Copy Citation

Kids Definition

afoul of

preposition
ə-ˈfau̇-ləv How to pronounce afoul of (audio)
1
: in or into collision or entanglement with
one ship ran afoul of the other
2
: in or into conflict with
they fell afoul of the law
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of Pyrrhic

See Definitions and Examples »

Popular in Grammar & Usage

See More

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Pwn, Skibidi, Girlboss and Other Words Added to the 2026 Scrabble Dictionary

The Words of the Week - Oct. 30

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
couple-laugh-cafe
Quiz: Foreign Phrases You Should Know Check out your bona fides and avoid any faux pas.
See All