step out on sb
US informal— phrasal verb with step uk/step/us/step/verb [ I + adv/prep ] -pp-
If you step out on your husband, wife, or usual sexual partner, you have sexual relationships with people other than them.
Thesaurus: synonyms and related words
Relationships: infidelity
- a bit on the side idiom
- adulterer
- adultery
- bigamy
- bit
- cheat
- cheat on sb
- faithless
- fool
- fool around
- go off with sb
- inconstant
- mess
- play
- play around
- screw
- screw around
- side
- step
- two-time
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