交通妨害[koutsuubougai] traffic obstruction
妨げ[samatage] obstruction
妨げる[samatageru] to disturb
妨礙[bougai] disturbance
妨害物[bougaibutsu] obstacle

妨業[bougyou] sabotage
妨業員[bougyouin] saboteur
公的不法妨害[koutekifuhoubougai] public nuisance
公務執行妨害[koumushikkoubougai] interference with a public servant in the execution of his or her duties
議事妨害[gijibougai] obstruction of proceedings

碍子[gaishi] insulator
傘形碍子[kasagatagaishi] umbrella insulator
障碍[shougai] obstacle
阻碍[sogai] obstruction
低障碍[teishougai] low hurdles

妨碍[bougai] disturbance
無碍[muge] free from obstacles
融通無碍[yuuzuumuge] free, unfettered and flexible
障碍者[shougaisha] (physically) handicapped person