whereby

1 of 2

conjunction

where·​by (h)wer-ˈbī 

(ˌ)(h)wər-

: by, through, or in accordance with which

whereby

2 of 2

adverb

obsolete

: by what : how

Word History

First Known Use

Conjunction

13th century, in the meaning defined above

Adverb

14th century, in the meaning defined above

Kids Definition

whereby

conjunction

where·​by

hwe(ə)r-ˈbī,

hwa(ə)r-,

we(ə)r-,

wa(ə)r-,

(ˌ)hwər-,

(ˌ)wər-

: by, through, or in agreement with which