There are several antonyms or words with opposite meanings to the word "auscultated." Some appropriate words that may be used as antonyms for "auscultated" include "ignored," "neglected," "overlooked," or "disregarded." These antonyms may be used in the context where a medical professional or healthcare practitioner missed out on important signs, symptoms, or vital data during their examination of the patient. On the other hand, "auscultated" means to listen to someone or something carefully and attentively, such as listening to the patient's heartbeat or breathing. Therefore, these antonyms describe the opposite to what auscultated means.