Exclaim/ɪkˈskleɪm/ Definition 1 of 2Pro Tip 1/3Sudden Utterance Used when someone speaks suddenly without planning what to say, often due to a strong reaction. He stepped on a toy and exclaimed, 'Ouch!' Pro Tip 2/3Strong Emotion Shows a burst of feeling like excitement or anger which is hard to keep hidden. On winning the prize, she exclaimed with joy. Pro Tip 3/3Audible Reaction Often louder and more noticeable than regular speech, as it's a reaction to stimuli. The audience exclaimed in astonishment at the magician's trick.