act on/upon

phrasal verb
Updated on: 15 Nov 2017

Definition of act on/upon

: to use (something, such as a feeling or suggestion) as a reason or basis for doing something
  • They never acted on the information they had.
  • It's okay to feel angry or jealous, but you mustn't act on those feelings.

Word by Word Definitions

act play
  1. : the doing of a thing : deed

  2. : something done voluntarily

  3. : the process of doing something : action

  1. : to take action : move

  2. : to conduct oneself : behave

  3. : to perform on the stage

  1. used for a standardized achievement test to evaluate suitability for college admission

upon play
  1. : on

  1. : on the surface : on it

  2. : thereafter, thereon


Seen and Heard

What made you want to look up act on/upon? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!