whereby

adverb

wair-BY/wɛə(ɹ)ˈbaɪ/

3 meanings of whereby

1
adverb
Used to show the way or method that makes something happen.
They reached an agreement whereby each side would share the costs.
The company introduced a system whereby workers could swap shifts freely.
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2
adverbnonstandard
In which, used to point to a place or situation where something is true.
He spoke of a distant land whereby the sun never set.
There was a stillness in the room whereby every whisper carried.
Similarwhere
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3
adverbobsoleteinterrogative
How, or by what way or means something happens.
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It comes from the words 'where' and 'by' joined together.