A class or category of people conceived of as forming a mob; = "rabble". Frequently with of. Also in figurative context and extended use.

A disorderly, disorganized, or unruly crowd; = "rabble". Frequently with of. Now chiefly literary or Scottish and English regional.

With the. The socially inferior, uncouth, or disorderly element of the populace or of a particular group or body of people; also without article.

Confusion, disturbance, or disorder such as that caused by a rabble or unruly crowd; riotous conduct; uproar.

A disorderly or disorganized collection; = "rabble" 3b. Frequently with of. In later use chiefly poetic and rare.