back out

Verb

• make a retreat from an earlier commitment or activity
  • We'll have to crawfish out from meeting with him
    
  • He backed out of his earlier promise
    
  • The aggressive investment company pulled in its horns
    

• move out of a space backwards
  • He backed out of the driveway
    

Related words

• Synonyms: 
  retreat , pull back , back away , crawfish , crawfish out , pull in one's horns , withdraw