Difficult GRE Words - Group 6

[Esc] (1)
v. drive or force onward; drive forward; urge to action through moral pressure

[Esc] (2)
a. impossible or difficult to perceive by the mind or senses

[Esc] (3)
v. cause to be extremely angry; set on fire; cause to burn; inflame; make hot or eager

[Esc] (4)
n. hard outer layer that covers something

[Esc] (5)
a. unconquerable; incapable of being overcome

[Esc] (6)
a. very small; immeasurably or incalculably minute

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a. exceeding reasonable limits; excessive; not regulated; disorderly

[Esc] (8)
v. make an island of; place in a detached situation, or in a state having no communication with surrounding objects; isolate; separate

[Esc] (9)
a. stopping and starting at intervals; alternately containing and empty of water

[Esc] (10)
a. opposite; reversed in order, nature, or effect; turned upside down