A primitive root; properly to spoil (literally by breaking to pieces); figuratively to make (or be) goodfornothing, that is, bad (physically, socially or morally). (associateselves and showselffriendly are by mistake for H7462.)
KJV Usage: afflict, associate selves [by mistake for H7462], break (down, in pieces), + displease, (be, bring, do) evil (doer, entreat, man), show self friendly [by mistake for H7462], do harm, (do) hurt, (behave self, deal) ill, X indeed, do mischief, punish, still vex, (do) wicked (doer, -ly), be (deal, do) worse.
H4827 מרע mêra‛מרע
From H7489; used as (abstraction) noun, wickedness
KJV Usage: do mischief.
H7451 רעה רע ra‛ râ‛âhרעה רע
From H7489; bad or (as noun) evil (naturally or morally). This includes the second (feminine) form; as adjective or noun