say it: JEL-uhs
jealous is an adjective meaning "showing extreme cupidity; painfully desirous of another's advantages". It carries 2 recorded senses.
suspicious or unduly suspicious or fearful of being displaced by a rival
“a jealous lover”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for jealous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.