Difficult GRE Words - Group 6

a. having no flaws; perfect; incapable of sin or wrongdoing

a. without money; poor; penniless

v. hinder; charge with improper conduct; challenge validity of; try to discredit

v. drive or force onward; drive forward; urge to action through moral pressure

a. impervious to moral persuasion; of hard heart

a. impossible or difficult to perceive by the mind or senses

a. not allowing passage, especially of liquids; waterproof

a. unshakably calm; placid; incapable of being disturbed or disconcerted

a. cannot be penetrated or affected, immune

n. incentive; stimulus; force or energy associated with a moving body

v. to encroach, transpass

a. incapable of being pacified; not to be relieved;

a. urging; demanding; expressing earnest entreaty

v. beg persistently; ask for urgently or repeatedly; annoy

v. to seize and retain in legal custody

v. make poor; reduce to poverty or indigence; exhaust the strength, richness, or fertility of

n. curse; act of calling down a curse that invokes evil

a. thriftless; not providing for future; incautious

v. dispute or contradict, often in insulting way; challenge

v. lay responsibility or blame for, often unjustly