Meaning & use

speculation

noun·Academic

Last updated

UK/ˌspekjuˈleɪʃn/
US/ˌspekjuˈleɪʃn/

Meanings

  1. nouncountable or uncountable

    Guessing about something without having firm facts to back it up.

    Grammar: Often uncountable: there was much speculation; countable when naming individual guesses: wild speculations.

    Patterns

    • speculation about something
    • speculation that clause

    There is wide speculation about who will be the next manager.

    The rumors were pure speculation and no facts were given.

    Speculation grew when the star canceled her tour.

  2. noununcountablefinance

    The buying of risky investments in the hope of making quick profit from price changes.

    Grammar: Used mostly in finance: speculation in property.

    Patterns

    • speculation in something

    Speculation in housing pushed prices to unreasonable levels.

    The bank warned against heavy speculation in crypto assets.

    Land speculation was common before the railway came.

Word forms

pluralspeculations

Common combinations

wild speculation
The headline was based on wild speculation.
mere speculation
It is mere speculation until we see the test results.
fuel speculation
The sudden meeting fueled speculation about layoffs.
rampant speculation
There is rampant speculation about the cause.
open to speculation
The reason for his absence is open to speculation.
speculation about
There was much speculation about her plans.

Synonyms and how they differ

conjecture
Conjecture is more formal and used for a reasoned guess, while speculation can be loose and gossipy.
guesswork
Guesswork is plainer and suggests unscientific guessing, where speculation can be thoughtful.
supposition
Supposition is a single assumption taken as true, not an ongoing stream of talk.
rumor
Rumor is a story passed along as if true, whereas speculation is open about being a guess.

Opposites

Word family

speculate verb
to form guesses without proof, or to invest riskily
speculative adjective
based on guesses, or risky in finance
speculator noun
a person who makes risky investments
speculatively adverb
in a guessing way

Commonly confused: speculation or speculum?

speculation vs speculum

A speculum is a medical instrument for looking inside the body, and it is unrelated in meaning.

Practice

Until the official report arrives, anything we say about the cause is just ___.

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