Definition of "affect" []

  • To have an influence on or effect a change in: Inflation affects the buying power of the dollar. (verb-transitive)
  • To act on the emotions of; touch or move. (verb-transitive)
  • To attack or infect, as a disease: Rheumatic fever can affect the heart. (verb-transitive)
  • Feeling or emotion, especially as manifested by facial expression or body language: "The soldiers seen on television had been carefully chosen for blandness of affect” ( Norman Mailer). (noun)
  • Obsolete A disposition, feeling, or tendency. (noun)
  • To act upon or influence, esp in an adverse way (verb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • To move or disturb emotionally or mentally (verb)
  • (of pain, disease, etc) to attack (verb)
  • The emotion associated with an idea or set of ideas (noun) (c) HarperCollins Publishers Ltd 2016

Use "affect" in a sentence
  • "Do you think of yourself as a Korean-American writer, and does this acceptance or rejection of the label affect how you write and market your work?"
  • "During our initial job hunting stages, the post-dot com recession was already in affect, and shortly after graduation, 9-11 really through a wrench into our plans."
  • "Bob Woodward's affect is that of a human tape recorder."