Is not thy wickedness
ra` (rah)
bad or (as noun) evil (natural or moral)one), worse(-st), wretchedness, wrong. (Incl. feminine raaah; as adjective or noun.).
great
rab (rab)
abundant (in quantity, size, age, number, rank, quality)
and thine iniquities
`avon (aw-vone')
perversity, i.e. (moral) evil -- fault, iniquity, mischeif, punishment (of iniquity), sin.
infinite
qets (kates)
an extremity; adverbially (with prepositional prefix) after -- + after, (utmost) border, end, (in-)finite, process.