Difficult GRE Words - Group 6

[Esc] (1)
a. having no flaws; perfect; incapable of sin or wrongdoing

[Esc] (2)
v. hinder; charge with improper conduct; challenge validity of; try to discredit

[Esc] (3)
a. cannot be penetrated or affected, immune

[Esc] (4)
v. to encroach, transpass

[Esc] (5)
v. dispute or contradict, often in insulting way; challenge

[Esc] (6)
n. speech given by a person being formally inducted into office

[Esc] (7)
n. cause to lean, slant, or slope; deviate from the horizontal or vertical

[Esc] (8)
a. tireless; showing sustained enthusiastic action

[Esc] (9)
n. prayer for help; calling upon as reference or support

[Esc] (10)
a. incompatible; not able to be resolved