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Definitions

conspiratorial

[kuhn-spir-uh-tawr-ee-uhl] / kənˌspɪr əˈtɔr i əl /
ADJECTIVE
furtive
Synonyms
STRONGEST
clandestine covert surreptitious
WEAK
artful calculating cautious circumspect cloaked crafty creepy cunning disguised elusive evasive foxy guileful hidden hush-hush insidious masked scheming shifty skulking slinking sly stealthy sub-rosa tricky under wraps under-the-table undercover underhand underhanded wily
Antonyms
STRONGEST
aboveboard honest open
WEAK
forthright truthful
ADJECTIVE
partisan
Synonyms
STRONGEST
biased one-sided sectarian sympathetic unjust
STRONG
accessory blind colored die-hard exclusive fanatic partial
WEAK
adhering bigoted cliquish denominational devoted jaundiced overzealous prejudiced prepossessed tendentious unreasoning warped zealous
Antonyms
STRONGEST
fair unbiased
WEAK
disinterested
ADJECTIVE
secret
Synonyms
STRONGEST
classified covert furtive hush-hush mysterious obscure private secluded undercover underground undisclosed unknown unpublished
STRONG
backdoor close closet dark deep mystic occult unseen
WEAK
abstruse ambiguous arcane camouflaged cloak-and-dagger clouded covered cryptic disguised enigmatical esoteric mystical on the Q.T. out-of-the-way recondite reticent retired shrouded strange under wraps unenlightened unfrequented unintelligible veiled
Antonyms
STRONGEST
aboveboard apparent honest known obvious open public revealed sociable unconcealed
STRONG
light visible
WEAK
clear defined explicit forthright legal legitimate

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.

The trouble with most theories about conspiratorial schemes—the weird ones of 4chan and the specious ones of the faculty lounges—is that they arise from motivated reasoning.

From The Wall Street Journal • Dec. 23, 2025

Although she renounced some of her past conspiratorial views, the House voted to remove her from her committee assignments shortly after she took office.

From BBC • Nov. 22, 2025

He speaks with the same measured warmth as ever — that deep, lilting rumble that can shift from conspiratorial murmur to amused growl in a heartbeat — but he sometimes loses a name mid-thought.

From Los Angeles Times • Nov. 5, 2025

“I may sound conspiratorial, but I don’t think it is a coincidence,” he said.

From Salon • Oct. 9, 2025

"Say hi to Jane for us," Mom says, all smiley and conspiratorial.

From "Will Grayson, Will Grayson" by John Green and David Levithan

Vocabulary lists containing conspiratorial

The Devil's Arithmetic

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"The Moustache" and "Who We Really Are"

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Charming as Verb

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!