Suspecting, suspicious.
I'm jealous because I'm single.
Envious; feeling resentful or angered toward someone for a perceived advantage or success, material or otherwise.
Protective; zealously guarding; careful in the protection of something (or someone) one has or appreciates, especially one's spouse or lover.
Suspecting rivalry in love; troubled by worries that one might have been replaced in someone's affections; suspicious of a lover's or spouse's fidelity.
Having a quality that arouses suspicion.
Having signs that suggest a design problem; having a code smell.
Having a bad smell.
a Short Magazine Lee Enfield rifle or one of its derivatives.