Jealous :: Jealous (a.) Exacting exclusive devotion; intolerant of rivalry.
Jealous :: "Jealous (a.) Disposed to suspect rivalry in matters of interest and affection; apprehensive regarding the motives of possible rivals, or the fidelity of friends; distrustful; having morbid fear of rivalry in love or preference given to another; painfully suspicious of the faithfulness of husband, wife, or lover..
Jealousness :: Jealousness (n.) State or quality of being jealous.
Jealousy :: "Jealousy (n.) The quality of being jealous; earnest concern or solicitude; painful apprehension of rivalship in cases nearly affecting one's happiness; painful suspicion of the faithfulness of husband, wife, or lover..
Overjealous :: Overjealous (a.) Excessively jealous; too jealous.