intensifier Meaning, Definition & Usage

  1. noun a modifier that has little meaning except to intensify the meaning it modifies
    intensive.
    • `up' in `finished up' is an intensifier
    • `honestly' in `I honestly don't know' is an intensifier

WordNet

In*ten"si*fi`er noun
Definitions
  1. One who or that which intensifies or strengthens; in photography, an agent used to intensify the lights or shadows of a picture.

Webster 1913