むだあし
無駄足 visit for no reason go on fool's errand

むだい
無題 No Title untitled 無代 free of charge

むだぐい
無駄食い eating between meals living idly

むだぐち
無駄口 chatter idle talk

むだじに
無駄死に dying in vain

むだづかい
無駄遣い waste money on squander money on flog a dead horse

むだにしない
make good use of make the most of

むだばな
無駄花 blossom which fails to produce fruit

むだばなし
無駄話 gossip idle talk chat

むだぼね
無駄骨 useless waste of time and effort pointless vain efforts

むだぼねおり
無駄骨折り laboring in vain or for no result

むだめし
無駄飯 living idly

むだをはぶく
無駄を省く to exclude wastefulness

むだん
無断 without permission without notice

むだんてんさい
無断転載 unauthorized reproduction unauthorized copying

むだんで
無断で without permission without notice