There are plenty of synonyms for the phrase "turn a deaf ear to" that can help describe someone ignoring or disregarding something important. Some of the most common options include "ignore," "overlook," "disregard," "brush off," "disdain," "neglect," "refuse to acknowledge," "tune out," "shut out," "be indifferent to," "cold shoulder," "shrug off," and "pay no attention to." Each of these verbs captures a different aspect of the act of ignoring something, whether it's intentional disregard, passive indifference, or a deliberate attempt to shut out unwanted noise. Whether you're writing an essay or crafting dialogue for a story, these synonyms can help you add variety and nuance to your language.