speculation
/ˌspɛk.jəˈleɪ.ʃən/
Proposed by a contributor, not yet supported by evidence.
Also seen as: speculations
Sense 1
Meaning · English
The process or act of thinking or meditating on a subject.
Noun
Examples
Thenceforth to speculations high or deep I turned my thoughts.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The act or process of reasoning a priori from premises given or assumed.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “speculation” mean?
The process or act of thinking or meditating on a subject.
Is “speculation” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.