Definition of thereby
- thereby lost her chance to win
- thereby hangs a tale
- —William Shakespeare
He signed the contract, thereby forfeiting his right to the property.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thereby.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
before 12th century
What made you want to look up thereby? Please tell us where you read or heard it (including the quote, if possible).
having a quality expressive of sadness
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