DictionaryspeculationUncertain judgment
noun

speculation

spek-yuh-LAY-shun/ˌspekjuˈleɪʃn/

Forming ideas or judgments without definite knowledge.

The unexplained footprints lead to speculation about who crossed the yard.

Person studies ambiguous animal footprints in mud while two faint thought bubbles show possible dog or fox, reasoning with uncertain information, no words.
Etymology

Observation broadened into contemplation and reasoning, then acquired the less favorable sense of mere conjecture. The financial meaning names buying and selling in hopes of profiting from changes in market value.

In context

Project TMRO32:44
pure speculation based on nothing no inside information I believe virgin orbit was supposed to be the money maker that made Virgin Galactic possible
When is Starship launching? // LIVE SHOW

More examples

  • Her departure prompted speculation.
  • Their speculations proved wrong.
  • The report separated evidence from speculation.

Forms

speculation · speculations

speculate verb — form ideas or invest without certainty

Similar words

conjecture
An unproven explanation, often more specific than general speculation.
guesswork
Emphasizes reliance on guesses rather than evidence.