昧 - dark, foolish

vague; ambiguous; unclear

free; unfettered; according to one's own whims; doing as one likes

unenlightened; in the darkest ignorance; not knowing from A to B

brothel fronting as a tea house, inn, restaurant, etc.

Aimai accent, used in parts of Kanto

ambiguity

being absorbed in reading

dawn; daybreak

samadhi (state of intense concentration achieved through meditation)

unenlightened; uneducated; ignorant

obscure; vague; ambiguous

swinging a knife around; brandishing a knife