こうだい 高大 LinksSentence search for 高大Sentence search for こうだいKanji details for 高 and 大Edit in JMdict Noun, Na-adjective (keiyodoshi)1. lofty; grand; impressiveNoun2. high school and universityAbbreviation, See also 高等学校, See also 大学 Discussions Log in to talk about this word.