doc, doctor, physician, Dr., MD, medico - a licensed medical practitioner; "I felt so bad I went to see my doctor"

charlatan, mountebank - a flamboyant deceiver; one who attracts customers with tricks or jokes

sound - the sudden occurrence of an audible event; "the sound awakened them"

let loose, let out, utter, emit - express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand"

practice of medicine, medicine - the learned profession that is mastered by graduate training in a medical school and that is devoted to preventing or alleviating or curing diseases and injuries; "he studied medicine at Harvard"

behave, act, do - behave in a certain manner; show a certain behavior; conduct or comport oneself; "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people"

unqualified - not meeting the proper standards and requirements and training