fooling

(verb) make a fool or dupe of. Synonyms: fool, gull, befool.

(verb) spend frivolously and unwisely. Synonyms: fritter, frivol away, dissipate, shoot, fritter away, fool, fool away. Example: "Fritter away one's inheritance."

(verb) fool or hoax. Synonyms: gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across. Examples: "The immigrant was duped because he trusted everyone." "You can't fool me!."

(verb) indulge in horseplay. Synonyms: horse around, arse around, fool around, fool. Examples: "Enough horsing around--let's get back to work!." "The bored children were fooling about."

(adj) characterized by a feeling of irresponsibility. Synonyms: casual. Example: "A broken back is nothing to be casual about; it is no fooling matter."