See more synonyms for conditioned on
  1. existing under or subject to conditions.
  2. characterized by a predictable or consistent pattern of behavior or thought as a result of having been subjected to certain circumstances or conditions.
  3. Psychology. proceeding from or dependent on a conditioning of the individual; learned; acquired: conditioned behavior patterns.Compare unconditioned(def 2).
  4. made suitable for a given purpose.
  5. air-conditioned.
  6. accustomed; inured.

Origin of conditioned

late Middle English word dating back to 1400–50; see origin at condition, -ed2
Related formsnon·con·di·tioned, adjectiveself-con·di·tioned, adjectivesem·i·con·di·tioned, adjectivewell-con·di·tioned, adjective

Antonyms for conditioned Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for well conditioned


  1. psychol of or denoting a response that has been learnedCompare unconditioned
  2. (foll by to) accustomed; inured; prepared by training
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

well conditioned in Medicine


  1. Exhibiting or trained to exhibit a conditioned response.
  2. Physically fit.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.