Vocabulary What does 競り合い (せりあい, seriai) mean? 競り合い (せりあい, seriai) means competition. Quick factsReadingせりあいRomajiseriaiPart of speechnoun 競り合いせりあいseriaicompetition1noun competitionAlso written: 競合いKanji in this word競competition, contest合fit, match; combine