- 1(also opportunist) (disapproving) making use of an opportunity, especially to get an advantage for yourself; not done in a planned way an opportunistic crime The rookie marked his debut game with an opportunistic touchdown.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2[only before noun] (medical) harmful to people whose immune system has been made weak by disease or drugs an opportunistic infection
Check pronunciation: opportunistic