"fooling" in the verb sense
1. fool, gull, befool
make a fool or dupe of
2. fritter, frivol away, dissipate, shoot, fritter away, fool, fool away
spend frivolously and unwisely
"Fritter away one's inheritance"
3. gull, dupe, slang, befool, cod, fool, put on, take in, put one over, put one across
fool or hoax
"The immigrant was duped because he trusted everyone"
"You can't fool me!"
4. horse around, arse around, fool around, fool
indulge in horseplay
"Enough horsing around
"fooling" in the adjective sense
1. fooling, casual
characterized by a feeling of irresponsibility it is no fooling matter"
"a broken back is nothing to be casual about
Source: WordNet® (An amazing lexical database of English)
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