アイデアルalso: アイディアルMeanings1na-adjectiveidealLoanword from English 'ideal', used as a na-adjective or noun to describe something perfect or most suitable.この場ば所しょはピクニックにアイデアルだ。This spot is ideal for a picnic.彼かの女じょはその仕し事ごとにアイデアルな人じん材ざいだ。She is the ideal person for the job.