afoul of
preposition
ə-ˈfau̇-ləv 
1
: in or into conflict with
ran afoul of the law
2
: in or into collision or entanglement with
Word History
Etymology
afoul "fouled, tangled," from a- entry 1 + foul entry 1
First Known Use
1819, in the meaning defined at sense 1
- nauseatingnesses
- nauseations
- nauseous
- nauseouser
- nauseousest
- nauseously
- nauseousness
- nauseousnesses
- nauseousser
- nauseoussest
- Nauset
- nausetts
- naut
- nautch
- nautches
- nauther
- nautical
- nautical astronomy
- nautical distance
- nautical mile
- nautical planisphere
- nautical star
- nautical tables
- nautical twilight
- nauticality