Quell/kwel/ Definition 1 of 2Pro Tip 1/3Forceful Action Often implies a decisive or forceful end to a conflict or disorder. The troops were called to quell the riot. Pro Tip 2/3Authority Usage Typically used to describe actions by those in power, like governments or police. Authorities moved swiftly to quell the protests. Pro Tip 3/3Negative Emotion May carry a negative connotation, suggesting oppressive measures. The regime quelled dissent without mercy.