opportunistic

adjective

op·​por·​tu·​nis·​tic ˌä-pər-tü-ˈni-stik How to pronounce opportunistic (audio)
-tyü-
: taking advantage of opportunities as they arise: such as
a
: exploiting opportunities with little regard to principle (see principle sense 1) or consequences
a politician considered opportunistic
an opportunistic investment
b
: feeding on whatever food is available
opportunistic feeders
opportunistic bears
c
: being or caused by a usually harmless microorganism that can become pathogenic when the host's resistance is impaired
opportunistic infections
opportunistic diseases
opportunistically adverb

Examples of opportunistic in a Sentence

Recent Examples on the Web
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This has increased scrutiny from opportunistic lawyers, leading to more litigation. Will Sweeney, Forbes, 14 Jan. 2025 And Vizio’s corporate parent, Walmart, has also looked to ink opportunistic deals, offering Paramount+ (which has 72 million subs as a standalone streaming service) as a bonus for subscribers to its Amazon Prime-like service Walmart+. Erik Hayden, The Hollywood Reporter, 13 Jan. 2025 Logging can also leave behind more combustible species like cheatgrass, an opportunistic invasive that thrives in disturbed areas and is near-impossible to eradicate. Elizabeth Miller, Outside Online, 12 Jan. 2025 Most of that offense has come at even strength for the opportunistic finisher, which should only boost his case if another forward is needed. Chris Johnston, The Athletic, 10 Jan. 2025 See all Example Sentences for opportunistic 

Word History

Etymology

opportunist + -ic entry 1

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of opportunistic was in 1892

Dictionary Entries Near opportunistic

Cite this Entry

“Opportunistic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/opportunistic. Accessed 19 Jan. 2025.

Kids Definition

opportunistic

noun
op·​por·​tu·​nis·​tic -t(y)ü-ˈnis-tik How to pronounce opportunistic (audio)
: taking advantage of opportunities as they arise: as
a
: exploiting opportunities with little regard to principle or consequences
an opportunistic cheater
b
: feeding on whatever food is available
opportunistic feeders

Medical Definition

opportunistic

adjective
op·​por·​tu·​nist·​ic -t(y)ü-ˈnis-tik How to pronounce opportunistic (audio)
1
: of, relating to, or being a microorganism that is usually harmless but can become pathogenic when the host's resistance to disease is impaired
2
: of, relating to, or being an infection or disease caused by an opportunistic organism
Pneumocystis carinii pneumonia and other opportunistic infections that kill AIDS patientsNew York Times

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