so long as

conjunction

Definition of so long as

1 : during and up to the end of the time that : while so long as you are here, I'm fine
2 : provided that you may go, so long as you return by dinnertime

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Synonyms for so long as

Synonyms

as, when, while, whilst [chiefly British]

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Examples of so long as in a Sentence

so long as you're staying with us, you may not smoke indoors

First Known Use of so long as

14th century, in the meaning defined at sense 1

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