WordWeb Online

1. Not worth considering
   "a trifling matter";
   - negligible, paltry

1. The deliberate act of delaying and playing instead of working
   - dalliance, dawdling

1. Waste time; spend one's time idly or inefficiently
   - piddle [informal], wanton [archaic], wanton away, piddle away
    
2. Act frivolously
   "She was advised not to trifle with the young heir";
   - frivol
    
3. Consider not very seriously
   "He is trifling with her";
   - dally, play

Derived forms: triflings

See also: worthless

Type of: act, behave, consider, delay, do, drop, expend, holdup, look at, spend, take

Encyclopedia: Trifle