The crossword solutions for the term BOTHER, WITH 'AT' are GNAW and EAT. GNAW is a verb meaning to bite or chew on something persistently, usually with the teeth. It is often used to describe animals such as rodents, but can also be used to describe humans when they are frustrated or anxious. EAT is a verb meaning to consume food, either by chewing and swallowing it or by taking it into the body in some other way. Eating is a necessary part of life for all living creatures, and it is an important part of human culture and social interaction. Together, these two words can be used to describe someone who is constantly worrying or fretting about something, as if they are gnawing or eating away at it.