Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

step out on sb

US informal phrasal verb with step
 
 
/step/ verb [I + adv/prep] (-pp-)

Definition

If you step out on your husband, wife, or usual sexual partner, you have sexual relationships with people other than them.Infidelity in relationships
(Definition of step out on sb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of step out on sb