to rot; to go bad; to decay; to spoil; to fester; to decompose; to turn sour (e.g. milk)
to corrode; to weather; to crumble
to become useless; to blunt; to weaken (from lack of practice)
to become depraved; to be degenerate; to be morally bankrupt; to be corrupt
to be depressed; to be dispirited; to feel discouraged; to feel downsee also
auxiliary verb; Godan verb with 'ru' ending
to have the audacity to; to be bastard enough toword usually written using kana aloneafter the -masu stem of a verb; indicates scorn or disdain for another's actionKansai-ben dialectsee also