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Definitions

opportunistic

[op-er-too-nis-tik, -tyoo-] / ˌɒp ər tuˈnɪs tɪk, -tyu- /
ADJECTIVE
diplomatic
Synonyms
STRONGEST
conciliatory gracious polite strategic
WEAK
adept arch artful astute bland brainy cagey calculating capable clever conniving contriving courteous crafty cunning deft delicate dexterous discreet guileful intriguing prudent savvy scheming sensitive sharp shrewd sly smooth suave subtle wily
Antonyms
STRONGEST
rude
WEAK
artless impolite tactless
ADJECTIVE
vaulting
Synonyms
STRONG
eager
WEAK
enthusiastic excessive high-flown overweening pretentious
ADJECTIVE
worldly
Synonyms
STRONGEST
cosmopolitan hardened practical selfish urbane
WEAK
avaricious been around blasé callous cool covetous disenchanted grasping greedy knowing power-loving self-centered unprincipled uptown worldly wise
Antonyms
STRONGEST
kind
WEAK
immaterial low otherworldly religious unrefined unsophisticated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Sentencing him to two years and three months in prison, Livesey said the "opportunistic" theft caused "inconvenience and stress" to Dawson and her company.

From BBC • Apr. 9, 2026

And Altman last month defended the company’s new deal with the Defense Department, announced amid a Pentagon feud with Anthropic, but said it “looked opportunistic and sloppy.”

From The Wall Street Journal • Apr. 2, 2026

Grocery Outlet’s opportunistic sourcing model has cultivated a devoted fan base of TikTok bargain hunters.

From Los Angeles Times • Mar. 30, 2026

In recent years, global central banks in advanced economies opted for an opportunistic slow squeeze of post-pandemic inflation.

From MarketWatch • Mar. 26, 2026

Later on, some people accused Blake of turning to communism for opportunistic reasons, as a way out of the prison camp.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau

Vocabulary lists containing opportunistic

This Week In Culture: March 29–April 4, 2020

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“Mandatory Vaccination is Not the Answer to Measles” by Bob Sears

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

This Week In Culture: October 19–25, 2019

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!