壮そう行こうそうこうCommon wordFreq.FrequencyTop 50,000Meanings1noun-modifying (irregular)send-off; farewellUsed prenominally to describe an event or gesture that encourages someone departing for a challenge, such as a competition or journey. Common in set phrases like 壮行会 (send-off party) and 壮行式 (send-off ceremony).選せん手しゅ団だんのために壮そう行こう会かいが開ひらかれた。A send-off party was held for the team of athletes.壮そう