こうがく 高額 Common word LinksSentence search for 高額Sentence search for こうがくKanji details for 高 and 額Edit in JMdict Noun, Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'1. large sum (of money); large amountAntonym: 低額Noun, Na-adjective (keiyodoshi)2. large denomination (banknote, etc.)Antonym: 小額 Discussions Log in to talk about this word.