check up on - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theycheck up on
he/she/itchecks up on
present participlechecking up on
past tensechecked up on
past participlechecked up on
  1. check up on someone to find out information about someone, especially secretly

    Are you checking up on me again?

See also main entry: check