fall/run afoul of
phrase
chiefly US
: to get into trouble because of not obeying or following (the law, a rule, etc.)
After leaving home he fell afoul of the law.
an investor who has run afoul of stock market rules
Cite this Entry
“Fall/run afoul of.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fall%2Frun%20afoul%20of. Accessed 12 Mar. 2026.
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Merriam-Webster unabridged
