Interjector

Part of speech: noun

Definitions

1. A person who interrupts or inserts remarks abruptly during conversation or discussion; a device or mechanism that inserts or interrupts a process or signal temporarily; one who inserts comments or objections abruptly in dialogue or debate
2. Someone who breaks into a discussion with an abrupt comment or remark; an apparatus that interrupts a continuous operation or flow intermittently; an individual who adds remarks forcefully in the midst of speaking
3. An individual who castles in suddenly to add a comment or remark during speech; a tool that causes a temporary interruption in a mechanical or electronic system; a participant who inserts unsolicited remarks or objections during communication

Etymology: "Interjector" is a plain English formation: the verb "interject," meaning to throw in a remark between other speakers' words, plus the agent suffix "-or," which marks a person or thing that performs the action. So an interjector is simply one who interjects. The verb "interject" comes from Latin "interjectare," "to throw between," built from "inter" ("between") and "jacere" ("to throw"). The interruption, in other words, is literally a remark thrown into the gap between others' speech. The suffix has a longer road. It descends from a Proto-Indo-European agent marker, passed through Proto-Italic and Latin as "-tor" and "-ator," then reached English through Old French "-eor" and Middle English "-our," before settling into the modern "-or." Each stage kept the same job: naming the doer of an action.

Synonyms: interrupter, interposer