Dictionary
pre•car•i•ous
Pronunciation: (pri-kâr'ē-us), [key]—
adj.
1. dependent on circumstances beyond one's control; uncertain; unstable; insecure:
a precarious livelihood.
2. dependent on the will or pleasure of another; liable to be withdrawn or lost at the will of another:
He held a precarious tenure under an arbitrary administration.
3. exposed to or involving danger; dangerous; perilous; risky:
the precarious life of an underseas diver.
4. having insufficient, little, or no foundation:
a precarious assumption. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.