Alternative spelling of 定め無い: transient, changeable, ephemeral

negative of 定める (sadameru) [ichidan]: to not decide, to not establish, to not settle

success / success in life, achievement in the world

succeed / be successful in life

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

establish rules or law, stipulate in a contract / appoint a time or place

unsuccessful

failure