Whereby definition

wâr-bī, hwâr-
In accordance with which; by or through which.
conjunction
10
1
Whereby is defined as in agreement with which, by which or through which.

An example of whereby used as a conjunction is in the sentence, "He was found guilty, whereby he was sentence to five years in prison" which means through finding him guilty, he was sentenced to the prison term.

conjunction
5
0
By which; by means of which.

A device whereby to make money.

conjunction
3
0
(archaic) By what? how?

Whereby did you expect to profit?

adverb
5
4
By which.
adverb
1
1
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(nonstandard) Where.
adverb
0
1

Origin of whereby