'ku' adjective (archaic) archaic uneventful;peaceful;safe

'ku' adjective (archaic) archaic easy;simple

noun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi) archaic having nothing to do

'ku' adjective (archaic) sin

noun (common) (futsuumeishi)noun word usually written using kana alone without

noun (common) (futsuumeishi) colloquial word usually written using kana alone unacceptable;not alright;unsatisfactory

'ku' adjective (archaic) archaic nonexistent;not being (there)