"Wast ears" is a phrase used to describe someone who is not good at listening or does not pay attention. There are several synonyms for this phrase which can be used in different situations. One such synonym could be "inattentive" which refers to someone not paying attention or lacking focus. Another alternative could be "unresponsive" which means someone who is not responding to a certain situation or ignoring it completely. The term "absent-minded" is another suitable synonym which means someone who is forgetful or not concentrating. Ultimately, using different synonyms for "wast ears" can help to convey different nuances of meaning and enhance the quality of communication.