Doubtless and Sure-fire

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Doubtless adjective - Having or showing a mind free from doubt.

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Sure-fire and doubtless are semantically related. In some cases you can use "Sure-fire" instead an adjective "Doubtless".

Nearby Words: doubt, doubtful, doubtlessly

Sure-fire adjective - Certain to be successful.

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Doubtless and sure-fire are semantically related. Sometimes you can use "Doubtless" instead an adjective phrase "Sure-fire".

Cite this Source

Sure-fire and Doubtless. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/doubtless/sure-fire

Doubtless & Sure-fire. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/doubtless/sure-fire>.

Sure-fire or Doubtless. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/doubtless/sure-fire.