Doubtless and Improbably

Opposite meaning words

Doubtless adverb - By reasonable assumption.

Usage example: doubtless you have heard this story before, but I'll tell it anyway

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Improbably is an antonym for doubtless in certainly topic.

Nearby Words: doubt, doubtful, doubtlessly

Improbably adverb - Not easy to believe.

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Doubtless is an antonym for improbably.

Nearby Words: improbable, improbability

Cite this Source

Improbably and Doubtless. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtless/improbably

Doubtless & Improbably. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtless/improbably>.

Improbably or Doubtless. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtless/improbably.

Google Ngram Viewer shows how "doubtless" and "improbably" have occurred on timeline