The action or an act of getting rid of something or someone; removal, clearance; an instance of this. Frequently in to make (clean, quick,etc.) ri…

The action of emptying a vessel, etc., or of emptying away its contents; hence, a clearing away, removal; ejection, excretion. Obsolete.

The action of outroot, v.

With out. The action of rooting out or eradicating something. Obsolete. rare.

Dismissal, dissolution. Obsolete. rare.

An act of removing objectionable, hostile, or undesirable elements. In later use: esp. the expulsion from an organization, political party, army…

In extended use: the natural purging of superfluous or undesirable elements, aspects, etc., from the whole; an instance of this.

Riddance.