experimental
Proposed by a contributor, not yet supported by evidence.
Also seen as: experimentals
Sense 1
Pertaining to or founded on experiment.
Adjective
Examples
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
Serving to be experimented upon; used in an experiment.
Adjective
Examples
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 3
The subject of an experiment.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “experimental” mean?
Pertaining to or founded on experiment.
Is “experimental” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.