But once and Erstwhile

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Erstwhile and but once are semantically related. in in the past topic. In some cases you can use "Erstwhile" instead an adverb phrase "But once".

Erstwhile adverb - At an earlier or previous time.

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But once and erstwhile are semantically related. Sometimes you can use "But once" instead an adverb "Erstwhile".

It's one thing to be total assholes to some obscure "Third World" people, but once your fellow First-Worlders get a sense that you're willing to do the same to everyone, expect your erstwhile allies to gang-up on you.

Source: The Fettered

Cite this Source

Erstwhile and But once. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/but_once/erstwhile

But once & Erstwhile. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/but_once/erstwhile>.

Erstwhile or But once. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/but_once/erstwhile.

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