青あお天てん井じょうMeaningsNoun1. blue sky2. skyrocketing (of prices); having no limit; the sky being the limit (Idiom)Kanji used青blue天heaven井a wellPitch accentあおてんじょうComposed of青あおblue; azure; green; green light (traffic); black (horse coat color); blue 5-point card; immature; unripe; youngNoun天てん井じょうceiling; ceiling price; (price) ceilingNoun