Describing actions intended to make oneself seem more important. Boastful.(adjective)
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Use "self-aggrandizing" in a sentence
"I admit it would be self-aggrandizing to try and account for this by blaming it on the misappropriation of ‘classic’ Halo sounds in the game, but at the very least it is a symptom of the larger problem at hand."
"Apparently, even he's grown tired of the self-aggrandizing hoax through which he's flung enough ignorant, racist bile to fill 100 KKK meetings."
"Joe, you tried to praise him for actually contributing to a discussion instead of preening and self-aggrandizing for once."