N5
くもる
Definition
to get cloudy, to cloud over, to become overcast, to cloud up, to fog up, to mist up, to become dim, to be gloomy, to be clouded (expression), to be downcast, to look slightly downward (of a noh mask; indicating sadness, grief, etc.)
N4
さいご
Definition
last, end, conclusion, latest, most recent, no sooner than, right after (often having negative consequences), one's final moments
N3
おめでとう
Definition
congratulations!, an auspicious occasion!
N2
おもいこむ
Definition
to be under impression that, to be convinced that, to imagine that, to set one's heart on, to be bent on
N1
いにしえ
Definition
antiquity, ancient times