know-it-all
noun
: one who claims to know everything
also
: one who disdains advice
know-it-all
adjective
Examples of know-it-all in a Sentence
Recent Examples on the Web
This is not a home for doomers, cynics, or know-it-alls.
—
Daphne Koller, Big Think, 29 Jan. 2026
After playing the conservative son of former-hippie parents on Family Ties, then a know-it-all political strategist on Spin City, Fox returns to his TV roots in Shrinking, which last year earned Ford the first Emmy nomination of his career.
—Savannah Walsh, Vanity Fair, 27 Jan. 2026
Those med students, cocky know-it-all Ogilvy (Lucas Iverson) and acerbic, perceptive Joy (Irene Choi), are drops in a flood of new faces that mark one of the few ways a show set in a single place can meaningfully scale up.
—Alison Herman, Variety, 5 Jan. 2026
Normally, know-it-alls are kind of annoying.
—Marci Robin, Allure, 19 Dec. 2025
See All Example Sentences for know-it-all
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Daphne Koller, Big Think, 29 Jan. 2026
After playing the conservative son of former-hippie parents on Family Ties, then a know-it-all political strategist on Spin City, Fox returns to his TV roots in Shrinking, which last year earned Ford the first Emmy nomination of his career.
—Savannah Walsh, Vanity Fair, 27 Jan. 2026
Those med students, cocky know-it-all Ogilvy (Lucas Iverson) and acerbic, perceptive Joy (Irene Choi), are drops in a flood of new faces that mark one of the few ways a show set in a single place can meaningfully scale up.
—Alison Herman, Variety, 5 Jan. 2026
Normally, know-it-alls are kind of annoying.
—Marci Robin, Allure, 19 Dec. 2025
See All Example Sentences for know-it-all
Cite this Entry
“Know-it-all.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/know-it-all. Accessed 1 Feb. 2026.
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