fool around - definition and synonyms

phrasal verb [intransitive]
present tense
I/you/we/theyfool around
he/she/itfools around
present participlefooling around
past tensefooled around
past participlefooled around

or fool about

  1. 1
    to behave in a silly way for fun

    Mark admits he used to fool around in class.

  2. 2
    to have a sexual relationship with someone who is not your usual partner

    He had been fooling around behind her back.

    fool around with:

    I think he’s fooling around with someone from the office.

See also main entry: fool