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.

As though jealous.

plural of jealousy

(uncountable) A state of suspicious guarding towards a spouse, lover etc., from fears of infidelity. / (countable) A resentment towards someone for a perceived advantage or superiority they hold.

In a jealous manner.

comparative form of jealous: more jealous

superlative form of jealous: most jealous

The state or condition of being jealous.

present participle of jealouse

simple past tense and past participle of jealouse