掃そう討とう作さく戦せんMeaningsNoun1. mopping-up operation; search-and-destroy operationKanji used掃sweep討attack to kill作make戦warComposed of掃そう討とうcleaning up (enemy remnants); sweeping clean (of opponents); mopping upNoun作さく戦せんtactics; strategy; military operation; naval operationNoun