[1] : WordNet (r) 2.0

trivia
     n : something of small importance syn: triviality, trifle,
         small beer
see also:
triviality trifle small beer 

[2] : WordNet (r) 2.0

trivia
     see trivium
see also:
trivium 

[3] : Moby Thesaurus II by Grady Ward, 1.0

66 moby thesaurus words for "trivia":
   ace, atom, bit, bric-a-brac, chaff, chicken feed, chickenshit, dab,
   details, dole, dot, dram, dribble, driblet, dwarf, farthing, fleck,
   flyspeck, fragment, froth, gimcrackery, gobbet, grain, granule,
   groat, hair, handful, iota, jot, knickknackery, little, little bit,
   minim, minimum, minutiae, mite, modicum, molecule, mote, nutshell,
   ounce, particle, peanuts, pebble, pinch, pittance, point, rubbish,
   scruple, small beer, small change, small potatoes, smidgen, smitch,
   speck, spoonful, spot, thimbleful, tiny bit, tittle, trash,
   trifles, trifling amount, triviality, trumpery, whit

Trivia >> T Words
Trivia, definition of term: Trivia
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