The wicked
rasha` (raw-shaw')
morally wrong; concretely, an (actively) bad person -- + condemned, guilty, ungodly, wicked (man), that did wrong.
plotteth
zamam (zaw-mam')
to plan, usually in a bad sense -- consider, devise, imagine, plot, purpose, think (evil).
against the just
tsaddiyq (tsad-deek')
just -- just, lawful, righteous (man).
and gnasheth
charaq (khaw-rak')
to grate the teeth -- gnash.
upon him with his teeth
shen (shane)
a tooth (as sharp); specifically ivory; figuratively, a cliff -- crag, forefront, ivory, sharp, tooth.
