n.
Function: intransitive verb
Date: 1593
1 a : to behave foolishly <told the children to stop their fool ing > ― often used with around b : to meddle, tamper, or experiment especially thoughtlessly or ignorantly <don't fool with that gun> ― often used with around
2 a : to play or improvise a comic role b : to speak in jest : JOKE <I was only fool ing >
3 : to contend or fight without serious intent or with less than full strength : TOY <a dangerous man to fool with>
transitive verb
1 : to make a fool of : DECEIVE
2 obsolete : INFATUATE
3 : to spend on trifles or without advantage : FRITTER ― used with away