うえ この上ない Show inflections LinksSentence search for この上ないSentence search for このうえないKanji details for 上Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. the most; the best; the greatest; supreme; unrivalled; unsurpassed; matchless; peerless Discussions Log in to talk about this word.