Tools to study difficult words | Show Helper |
Hard SAT Words - Group 1 | View Group Words |
New Known Review |
autonomous |
a. self-governing; not controlled by others or by outside forces; independent |
New Known Review |
avalanche |
n. fall or slide of a large mass, as of snow or rock, down a mountainside |
New Known Review |
aviation |
n. art or act of flying; specifically, the science or art of directing and controlling flying-machines |