transitive + intransitive

: to think too much about (something) : to put too much time into thinking about or analyzing (something) in a way that is more harmful than helpful
overthink a situation/problem
someone who overthinks and worries too much
"I was a terrible actor when I went to New York. I was scared. I would overprepare, sometimes overthink a role."Paul Newman
For a while now, I've been finding current fiction hard to read: airlessly competent, relentlessly put-together, overthought.David Gates
overthinker noun
plural overthinkers
But the problem is I'm an overthinker. I contemplate and consider, deliberate and debate things small and large in my life. Simple things become complicated and easy decisions become complex. Alyssa Meier

Examples of overthink in a Sentence

Recent Examples on the Web
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.
There’s no need to overthink your warm-weather look; an oversized blazer, tank top, and cropped shorts will do just the trick. India Roby, Glamour, 20 July 2026 Reshma Chamberlin, Co-Founder and Chief Brand & Digital Officer of Summersalt encourages customers not to overthink it. Gabi De La Rosa, Southern Living, 20 July 2026 There’s no complicated arrival, no reason to overthink the weekend. Jessica Chapel, Condé Nast Traveler, 15 July 2026 As horror franchises evolve across installments, there’s a natural tendency for the creatives behind them to overthink things and get a bit too lost in the sauce of mythos and worldbuilding and topping themselves with bigger, juicier scares. Alison Foreman, IndieWire, 10 July 2026 See All Example Sentences for overthink

Word History

First Known Use

1628, in the meaning defined above

Time Traveler
The first known use of overthink was in 1628

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Cite this Entry

“Overthink.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overthink. Accessed 28 Jul. 2026.

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