Exclamatory describes language that expresses strong emotion or sudden feeling. When you shout “Watch out!” or yell “We won!” in excitement, you're using exclamatory language.

In grammar, an exclamatory sentence ends with an exclamation point and conveys strong emotion: surprise, joy, anger, fear, or excitement. “What a beautiful day!” is exclamatory. “The day is beautiful” states the same fact, but without that burst of feeling. Notice how the exclamatory version lets you hear the speaker's enthusiasm.

Writers use exclamatory sentences carefully. Too many exclamation points can make writing feel breathless or insincere, and the more someone shouts, the less impact each shout has. But the right exclamatory sentence at the right moment captures genuine emotion: the gasp when you spot a shooting star, the cheer when your team scores, the warning shout when danger appears.

The word can describe anything that involves exclaiming: an exclamatory tone, an exclamatory phrase, or even an exclamatory gesture like throwing your hands up in surprise. When something makes you want to exclaim rather than simply state, that's when exclamatory language fits perfectly.