jealousy

[ jel-uh-see ]
/ ˈdʒɛl ə si /

noun, plural jeal·ous·ies for 4.

jealous resentment against a rival, a person enjoying success or advantage, etc., or against another's success or advantage itself.
mental uneasiness from suspicion or fear of rivalry, unfaithfulness, etc., as in love or aims.
vigilance in maintaining or guarding something.
a jealous feeling, disposition, state, or mood.

Origin of jealousy

1175–1225; Middle English gelusie, jelosie < Old French gelosie, equivalent to gelos jealous + -ie -y3
Can be confusedenvy jealousy (see synonym study at envy)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for jealousy

jealousy

/ (ˈdʒɛləsɪ) /

noun plural -ousies

the state or quality of being jealous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012