covetous
From Longman Dictionary of Contemporary Englishcovetouscov‧et‧ous /ˈkʌvɪtəs/ adjective formal WANThaving a very strong desire to have something that someone else has They began to cast covetous eyes on their neighbours’ fields. —covetously adverb —covetousness noun [uncountable]Examples from the Corpuscovetous• The Museum site includes a hard-standing and all the volunteers are keeping a covetous eye on a nearby T2-type hangar.• They began to cast covetous eyes on their neighbors' fields.• But she knew she had seen that covetous look in his eyes as he had watched her.• He's being covetous the way I was.