overoptimistic

/ ˌəʊvərˌɒptɪˈmɪstɪk /

adjective

1. excessively optimistic

Example Sentences

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.

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However, he also cautioned against being overoptimistic as the price points remain unknown.

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

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Max Boot, a scholar at the Council on Foreign Relations and onetime leading neoconservative, said this month on Twitter that he “was wildly overoptimistic about the prospects of exporting democracy by force.”

Read more on New York Times

While these overoptimistic estimates of accuracy get published in the scientific literature, the lower-performing models are stuffed in the proverbial “file drawer,” never to be seen by other researchers; or, if they are submitted for publication, they are less likely to be accepted.

Read more on Scientific American