遅延ちえん Common Noun Irregular Intransitive Noun English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verbnouns which may take the genitive case particle 'no' delay;latency 僕は電車が遅延したので遅刻した。 I was late as a result of the train delay.