What term is similar in meaning to decrescendo?

The term "decrescendo" refers to a gradual decrease in the loudness or intensity of music. The word "diminuendo" has the same meaning; it indicates a similar gradual reduction in volume. Both terms effectively instruct the performer to play softer over a specified passage.

In contrast, "crescendo" denotes an increase in loudness, which is the opposite of decrescendo. "Forte" and "piano" refer to specific dynamic levels—loud and soft, respectively—rather than indicating a gradual change in intensity. Therefore, finding a synonym for decrescendo directly relates to recognizing that diminuendo conveys the same idea of decreasing volume.