overoptimism — excessive optimism; the tendency to be more hopeful and confident about the outcome of something than is realistic
Part of speech: NOUN
Definition: excessive optimism; the tendency to be more hopeful and confident about the outcome of something than is realistic
Pronunciation (IPA): /ˌoʊvərˈɑːptɪmɪzəm/
Example Sentences
- My overoptimism about finishing the project in one day resulted in pulling an all-nighter.
- The startup failed due to overoptimism about market demand.
- Her overoptimism about the weather led to a picnic disaster in the rain.
overoptimism
NOUN[/ˌoʊvərˈɑːptɪmɪzəm/]
excessive optimism; the tendency to be more hopeful and confident about the outcome of something than is realistic

excessive optimism; the tendency to be more hopeful and confident about the outcome of something than is realistic

Between wild optimism and stark pessimism lies dangerous overoptimism!
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🎤Pronunciation
🌳Etymology
Origin
Overoptimism is a compound formation combining the prefix 'over-' (meaning excessive) with 'optimism', which derives from Latin 'optimus' (meaning best or highest). The word emerged in English to describe excessive or unwarranted hopefulness, blending Germanic and Latin etymological elements.
Breakdown
over- (excessive, beyond) + optimism (hopefulness, from Latin optimus meaning best/highest, + -ism forming a noun denoting a doctrine or tendency).
🎵Rhyme
🔗Collocations
📝Examples
“My overoptimism about finishing the project in one day resulted in pulling an all-nighter.”
“The startup failed due to overoptimism about market demand.”
“Her overoptimism about the weather led to a picnic disaster in the rain.”
“Investors showed dangerous overoptimism before the market crash.”
📚Related Words
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