遊ぶ【あそぶ】
to play (games, sports), to enjoy oneself, to have a good time, to mess about (with alcohol, gambling, philandery, etc.), to be idle, to do nothing, to be unused, to meet up (with friends), to hang out, to give oneself up (to gambling, drinking, etc.), to go to (for pleasure or for study), to tease (someone), to play (with), to intentionally throw a ball to lower the batter's concentration
遊び【あそび】
play, playing, game, pleasure, amusement, pastime, recreation, diversion, play (in a mechanism, e.g. a steering wheel), flexibility (in a performance, art, etc.), freedom, flyleaf
遊説【ゆうぜい】
election tour, election campaign, stumping
外遊【がいゆう】
foreign travel
遊撃【ゆうげき】
raid, military attack by a mobile unit, hit-and-run attack, search-and-kill mission, search-and-destroy mission, military action without a predetermined target, attacking the enemy or assisting allies as the opportunity arises, shortstop, short
遊牧【ゆうぼく】
nomadism
遊撃手【ゆうげきしゅ】
shortstop, short
遊歩【ゆうほ】
walk, promenade
遊び場【あそびば】
playground
遊覧【ゆうらん】
sightseeing
遊ばす【あそばす】
to let (someone) play, to keep (someone) amused, to entertain, to leave idle, to not make use of, to let go to waste, to do, to do
遊休【ゆうきゅう】
idle, unused, fallow
遊泳【ゆうえい】
swimming, bathing, getting on in the world
遊戯【ゆうぎ】
play, playing, game, play and dance (at a kindergarten or elementary school)
遊女【ゆうじょ】
prostitute, harlot
遊技【ゆうぎ】
games, pastimes
回遊【かいゆう】
excursion, round trip, seasonal migration (of fish, etc.)
遊興【ゆうきょう】
merrymaking (esp. wine and women), pleasures
遊離【ゆうり】
separation, isolation, extrication, release, isolation
交遊【こうゆう】
friendship, companionship, fraternity, comradeship