Doubtless and Sure

Similar meaning words

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

Usage example: another one of his doubtless predictions that will never come true

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Sure is a synonym for doubtless. In some cases you can use "Sure" instead the word "Doubtless" as an adjective or an adverb.

Nearby Words: doubt, doubtful, doubtlessly

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

Usage example: are you absolutely sure that she said she was coming today?

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Doubtless is a synonym for sure in certain topic. Sometimes you can use "Doubtless" instead the word "Sure" as an adjective or an adverb.

Nearby Word: surely

When an experienced Roman soldier (who's doubtless seen a few deaths in his time) assures his boss that Jesus is gone, his boss tosses him a spear and tells him to make sure of it.

Source: Film / The Passion of the Christ
To doubtless paraphrase many a comedian, we sure hope so.

Source: Shaped Like Itself
The Soldier needs to follow her directions regardless of how she delivers them, and once she's sure he'll do her bidding, venting frustration with the situation by expressing contempt for him is doubtless cathartic.

Source: Video Game / System Shock

Cite this Source

Sure and Doubtless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/doubtless/sure

Doubtless & Sure. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/doubtless/sure>.

Sure or Doubtless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/doubtless/sure.

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