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overoptimistic

British  
/ ˌəʊvərˌɒptɪˈmɪstɪk /

adjective

  1. excessively optimistic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A Stifel analyst downgraded Microsoft stock to Hold from Buy, citing overoptimistic revenue and earnings expectations.

From Barron's • Feb. 5, 2026

The VP, on the other hand, may be overoptimistic, because they are the ones making these decisions about big deployment, and therefore they might try very hard to see the positive.

From The Wall Street Journal • Oct. 28, 2025

England were in charge of the first Test at Edgbaston before the cult of Bazball resulted in an overoptimistic declaration and reckless batting.

From BBC • Jul. 24, 2023

But markets may be overoptimistic on what’s possible in any China deal.

From Los Angeles Times • Feb. 25, 2019

She had no illusions: old plans, if one could ever remember them, the plans that time had overtaken, tended to have a febrile and overoptimistic grip on events.

From "Atonement" by Ian McEwan

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