The term 'utter suddenly' can be broken down into two crossword solutions: EXCLAIM (7 letters) and BLURT (5 letters). EXCLAIM is an interjection used to express strong emotion, such as surprise, anger, or joy. It is often used in response to something unexpected or shocking. BLURT is a verb meaning to say something impulsively or without thinking. It is usually used to describe an outburst of words that is not well thought out. Both words are used to describe a sudden, impulsive utterance.