unsure

adjective

ˌən-ˈshu̇r How to pronounce unsure (audio)
Definition of unsurenext
as in skeptical
not feeling sure about the truth, wisdom, or trustworthiness of someone or something unsure of her ability to handle the pressure of competing in the Olympic Games

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of unsure If employees leave a conversation unsure about what exactly needs to be done, performance suffers. — Expert Panel®, Forbes.com, 28 Sep. 2026 It was reported that players and members of the staff were unsure of his whereabouts. — Bobby Burack Outkick, FOXNews.com, 28 Sep. 2026 The San Francisco 49ers are unsure when Mike Evans will be back after leaving Sunday’s win over the Arizona Cardinals with what Kyle Shanahan said is a rib or oblique injury. — Chris Biderman, Sacbee.com, 27 Sep. 2026 Many of Martin’s clients come in feeling anxious about making the leap, unsure whether the look will suit them. — Maggie Ryan, Flow Space, 25 Sep. 2026 See All Example Sentences for unsure
Recent Examples of Synonyms for unsure
  1. skeptical
  2. suspicious
  3. uncertain
  4. doubtful
Adjective
  • The conservative-majority Supreme Court has been skeptical of environmental regulations in the past, including in a 2022 decision limiting the EPA's authority to regulate carbon dioxide emissions from power plants.
    — Arkansas Online, Arkansas Online, 6 Oct. 2026
  • And while The Atlantic has published largely skeptical coverage of major AI companies and their products’ impact on society, Thompson’s tone, in his podcasts and LinkedIn posts, has been more optimistic.
    — Max Tani, semafor.com, 5 Oct. 2026
Definition of skeptical
Adjective
  • Mongol rule had been deeply humiliating, and Ming leaders grew suspicious of foreign influence.
    — Carl Minzner, Foreign Affairs, 5 Oct. 2026
  • The move comes as British counter-terrorism police investigate suspicious activity near the Royal Air Force station and amid reports that US commanders received new information about a possible threat involving Iran.
    — Georgina Jedikovska, Interesting Engineering, 5 Oct. 2026
Definition of suspicious
Adjective
  • Exactly how far south the aurora might appear remains uncertain and depends on how the incoming CMEs interact with Earth's magnetic field.
    — Daisy Dobrijevic, Space.com, 8 Oct. 2026
  • While companies often look to make supply-chain adjustments in the face of tariffs, that really hasn’t happened because the trade landscape is too uncertain to make long-term adjustments.
    — Sasha Rogelberg, Fortune, 7 Oct. 2026
Definition of uncertain
Adjective
  • Star freshman wide receiver Trent Mosley began the week listed as questionable on the availability report, a step up from his doubtful classification last Wednesday.
    — Sean Campbell, Los Angeles Times, 1 Oct. 2026
  • Experts, including Higel, are doubtful that the Iraqi government will be able to disarm the Iran-loyal groups even if war between Iran and the US ends.
    — Sarah Tamimi, CNN Money, 30 Sep. 2026
Definition of doubtful

Browse Nearby Words

unsupported
unsure
unsurpassable
See all Nearby Words

Cite this Entry

“Unsure.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsure. Accessed 9 Oct. 2026.

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