Clamorous means loud, noisy, and insistent, like a crowd of voices all demanding attention at once. When a group of students makes a clamorous protest about unfair rules, they're not quietly raising their hands: they're filling the hallway with urgent, overlapping voices that can't be ignored.

The word suggests more than simple loudness. A fire alarm is loud, but it isn't clamorous. Clamorous describes noise made by people or animals actively demanding something, competing for attention, or expressing strong feelings together. Picture a flock of seagulls making a clamorous racket as they swarm around dropped French fries, or fans making clamorous appeals for their team to be declared the winner of a close game.

You might see clamorous used in books to describe urgent requests or demands: clamorous calls for change, clamorous voices in a crowded marketplace, or even your own clamorous thoughts when you're trying to solve a difficult problem and ideas keep interrupting each other.