speculation

From Wiktionary

Word parts[change]

speculate + -tion

Pronunciation[change]

Noun[change]

Singular
speculation

Plural
speculations

  1. (countable & uncountable) Speculation is the ideas you have about the truth when you don't have all the important information.
    There has been a lot of talk and speculation about what will happen in the final game.
    Any answer to that question would be pure speculation.
  2. (uncountable) Speculation is the process of thinking about the truth when you don't have all the important information.
    After a great deal of speculation, I decided that he must have done it.
  3. (uncountable) Speculation is risky investing with the hope of making a large profit.

Related words[change]