| noun | the amount of energy transmitted (as by acoustic or electromagnetic radiation) “he adjusted the intensity of the sound” |
| noun | high level or degree; the property of being intense |
| noun | the magnitude of sound (usually in a specified direction) “the kids played their music at full volume” |
| noun | chromatic purity: freedom from dilution with white and hence vivid in hue |
| intense | adjective | possessing or displaying a distinctive feature to a heightened degree |
| intensify | verb | increase in extent or intensity |
| intensive | adjective | characterized by a high degree or intensity; often used as a combining form |
| loud | adjective | used chiefly as a direction or description in music |
| chromatic | adjective | being or having or characterized by hue |
| vivid | adjective | (of color) having the highest saturation |