CONTRAPTION device, machine
A plane is a contraption that moves in air.
Alligators are submerged most of there life.
MASSIVE enormous, solid
That is a very massive rhino.
EERIE creepy, weird
Most people think ghost are eerie.
ROAMED wander, travel
The buffalo roamed though the tall grass.
OBSTACLES impediment, barrier
Fences help you from going some where dangerous.
COMPLICATED complex, intricate
A lot of tests are complicated.