DOUBTLESSNESS Synonyms: 38 Similar and Opposite Words

doubtlessness

noun

Definition of doubtlessness

as in certainty

a state of mind in which one is free from doubt with the doubtlessness of a man who never spent a moment in self-reflection, the president barreled down the road to disaster

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Recent Examples of Synonyms for doubtlessness

Noun

Their hope is to get that plan submitted and accepted under the previous guidelines, to create certainty for their operations going forward regardless of how the federal rule change fares.

— Lizzie Kane, Sacbee.com, 31 July 2026
The method is not a certainty, as some judges have rejected such attempts to secure an extra year of eligibility.

— PJ Green July 30, Kansas City Star, 30 July 2026

Definition of certainty

Noun

The public seeks assurances that AI's economic benefits will be broadly shared.

— Gary Drenik, Forbes.com, 21 July 2026
And though at least some Heat interest in DeRozan would be expected if James bypasses the Heat, Miami as of Monday had made no assurances to DeRozan and hasn’t told him if he will be pursued if James doesn’t join Miami, according to a source.

— Anthony Chiang, Miami Herald, 21 July 2026

Definition of assurance

Noun

Once at the top of the mile-long climb, only one nit had come off the battery, and the Vienna flew down the backside of the hill at over 30 mph with confidence.

— William Roberson, Forbes.com, 22 July 2026
More broadly, Iran’s attacks have also punctured confidence and security in the Gulf, disrupting tourism and air travel in a key global transport node, and prompting some expats to flee.

— Jomana Karadsheh, CNN Money, 21 July 2026

Definition of confidence

Noun

Choosing the right kitchen backsplash prevents costly mistakes, ensures long-term satisfaction, and sets the tone stylistically.

— Sarah Lyon, The Spruce, 25 July 2026
Produced by Jay Joyce and co-written with Dan Wilson and Steve Rusch, the song captures the satisfaction of moving on after an ex tries to return.

— SPIN Staff, SPIN, 24 July 2026

Definition of satisfaction

Noun

Judge appoints attorney for Kohberger’s claims Now that Kohberger has filed a petition for post-conviction relief, what comes next?

— Alex Brizee July 30, Idaho Statesman, 30 July 2026
The lengthy trial concluded with the conviction and death sentence of the gunman, who remains on death row.

— Peter Smith, Los Angeles Times, 29 July 2026

Definition of conviction

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doubtless

doubtlessness

doubts

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“Doubtlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtlessness. Accessed 31 Jul. 2026.

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Synonyms of doubtlessness

noun

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