Crescendo – Gradually getting louder
When the creche ends (crescendo) the noise gets gradually louder as children see their parents.
Examples of crescendo in a sentence
The third movement builds up to a crescendo, becoming so loud it's almost deafening.
The whole song is really a crescendo, starting off slowly and quietly, but building inexorably towards ear-splitting delirium.
Too many crescendos can ruin a piece - the repeated increase and decrease in volume can become tedious.