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Definitions

speculation

[spek-yuh-ley-shuhn] / ˌspɛk yəˈleɪ ʃən /
NOUN
theory, guess
Synonyms
STRONGEST
belief conjecture opinion thought
STRONG
cerebration cogitation consideration contemplation deliberation excogitation guesstimate guesswork hunch hypothesis meditation reflection review shot stab studying supposition surmise thinking weighing
WEAK
brainwork shot in the dark sneaking suspicion stab in the dark
Antonyms
STRONGEST
reality truth
STRONG
disdain disregard ignorance knowledge measurement neglect proof
WEAK
abstention fact information
NOUN
risk, gamble
Synonyms
STRONGEST
plunge
STRONG
backing flier flutter gambling hazard hunch piece shot spec stab venture wager
WEAK
right money risky business risky venture shot in the dark smart money speculative enterprise
Antonyms
STRONG
proof reality
WEAK
abstention fact information truth

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.

Wei and Li disappeared from public view that year, fueling speculation that they were facing disciplinary probes.

From The Wall Street Journal • May 7, 2026

There is speculation in the aerospace industry that Airbus is on the verge of announcing a "stretch" version of the A220.

From BBC • May 7, 2026

But in Washington there has been growing speculation that Trump increasingly favors Rubio.

From Barron's • May 6, 2026

Additionally, their liquidity indicator just triggered a buy signal, and “liquidity drives speculation, and typically benefits tech + financials outperformance.”

From MarketWatch • May 6, 2026

There was some speculation that the Russians’ payload was a bucket of red paint.

From "October Sky" by Homer Hickam

Vocabulary lists containing speculation

The Things They Carried

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100 SAT words Beginning with "S"

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American History II

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