The definition of opportunistic is an action or judgment that furthers a person's own interests.
An example of opportunistic is a woman telling a friend a false rumor about her boyfriend cheating on her, to try to end their relationship.
- of or characterized by opportunism
- designating or of an infection or disease caused by a microorganism (opportunistic microorganism) that is normally not virulent but that can cause a serious condition in those with a weakened immune system
Taking immediate advantage, often unethically, of any circumstance of possible benefit.
(comparative more opportunistic, superlative most opportunistic)
- taking advantage of situations that arise
- said of people who will take advantage of situations to advance their own interests, without regard for principles