昏こん々こんこんこんじ字FuriganaMeanings1taru-adjective, adverb taking the 'to' particlefast asleep; sound asleep; dead to the worldDescribes a state of deep, oblivious sleep. Often used in literary or descriptive contexts with the particle と.彼かれは疲つかれていたので、昏こん々こんと眠ねむり続つづけた。He was so tired that he slept soundly on and on.赤あかん坊ぼうは昏こん々こんと眠ねむっていて、物もの音おとにも気きづかなかった。The baby was fast asleep and didn't notice any noise.