Suspicion of a wife's purity, one of the strongest passions (Numbers 5:14; Proverbs 6:34; Cant 8:6); also an intense interest for another's honour or prosperity (Psalms 79:5; 1 Corinthians 10:22; Zechariah 1:14).
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.
Easton, Matthew George. "Entry for 'Jealousy'". "Easton's Bible Dictionary".