Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Intermediate Dictionary
   
Display options
Show syllables
Show Lookup History
Double-Click Lookup
Show Word Parts
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
foul up

foul up

 
pronunciation:
faUl uhp
See:
foul
part of speech: phrase
definition: (informal) to make serious mistakes, or cause someone else to do so.
He really fouled up his driving test.