Definition of "opportunistic" []

  • Taking immediate advantage, often unethically, of any circumstance of possible benefit. (adjective)
  • Of or characterized by opportunism (adjective)

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.

  • (of an infection) caused by any microorganism that is harmless to a healthy person but debilitates a person whose immune system has been weakened by disease or drug treatment (adjective) (c) HarperCollins Publishers Ltd 2016

Use "opportunistic" in a sentence
  • "She said her client was ashamed of the act, which he described as "opportunistic.""
  • "ZAHN: David, let's come back to this opportunist, what you called opportunistic intelligence that led to this strike last night."
  • "Prime Minister Stephen Harper and his ministers have repeatedly said they won't spark what they call an "opportunistic" election."