dobutamine Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a medication used to treat heart failure. Example Sentence Granny was given dobutamine to treat her heart failure. More Example Sentences Dobutamine helps improve heart function quickly. Synonyms heart medicine; inotrope; cardiac drug Antonyms sickness Hear It! Say It! Write It! dobutamine Switch to cursive Start Share with your friends: