Pronunciation: (su-spish'us), [key]
1. tending to cause or excite suspicion; questionable: suspicious behavior.
2. inclined to suspect, esp. inclined to suspect evil; distrustful: a suspicious tyrant.
3. full of or feeling suspicion.
4. expressing or indicating suspicion: a suspicious glance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.