Hard TOEFL Words - Group 1

n. quality of being genuine or trustworthy

n. biography or story written by yourself

a. convenient for use or disposal; not busy, free; obtainable; accessible

n. fall or slide of a large mass, as of snow or rock, down a mountainside

n. a method or means by which something may be accomplished

n. thin A bird-like or flying creature

n. design, development, and production of aircraft

n. activity taken up in addition to one's regular work or profession, usually for enjoyment

v. rouse from sleep;stir the interest of; excite

a. difficult to handle or manage