Definition of fun:
mutant, maneuver, cheer, play, conviviality, sportsman, gaiety, merriment, manoeuvre, pleasant, disport, diverting, enjoyment, playfulness, athletics, gambling, amusing, caper, period of play, enjoyable, frolic, entertaining, laughter, shimmer, delight, merrymaking, festival, turn, variation, gaming, romp, mutation, work, revelry, bid, jollity, happy, revel, summercater, sportswoman, jest, child's play, swordplay, gambol, looseness, drama, dramatic play, fool around, festivity, festiveness, amusive, free rein, sport, playing period.
- amusement (part of speech: noun)
- ridicule (part of speech: noun)
- amusing (part of speech: adjective)