Acquired brain injury (ABI) refers to a damage to the brain that occurs after birth and that is not hereditary, congenital, or induced by birth-related trauma. Synonyms for ABI can be helpful for individuals who are researching or seeking information on the subject. Some alternative terms that can be used interchangeably with ABI include, but are not limited to, traumatic brain injury (TBI), non-traumatic brain injury, acquired head injury, and acquired cerebral injury. Other relevant phrases can include acquired neurological injury or acquired brain damage. It is important to note that while these terms refer to slightly different aspects of the same condition, they are often used interchangeably in medical literature and conversational contexts.