thereby
/ðɛɹˈbaɪ/
Proposed by a contributor, not yet supported by evidence.
Meaning · English
By it; by that; by that means, or as a consequence of that.
Adverb
Examples
I enrolled in Old English classes and thereby learned much about Germanic languages.
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).
Common questions
What does “thereby” mean?
By it; by that; by that means, or as a consequence of that.
Is “thereby” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.