くうてん 空転 Common word LinksSentence search for 空転Sentence search for くうてんKanji details for 空 and 転Edit in JMdict Noun, Suru verb, Intransitive verb1. racing (of an engine); idlingSee also 空回りNoun, Suru verb, Intransitive verb2. going in circles (of an argument, discussion, etc.); spinning one's wheels; going nowhere Discussions Log in to talk about this word.