Happy
Happy adjective - Coming or happening by good luck especially unexpectedly.
Usage example: a happy discovery, finding the letter that would prove her innocence
Unforeseen and happy are semantically related. In some cases you can use "Unforeseen" instead an adjective "Happy".
Unforeseen
Unforeseen adjective - Not expected.
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Synonyms for Unforeseen
Happy and unforeseen are semantically related. Sometimes you can use "Happy" instead an adjective "Unforeseen".
Nearby Word: unforeseeable
Mutual synonyms
Both words in one sentence
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Said secret society is not happy with the unforeseen appearance of a super-powered girl coming along out of nowhere and interfering with their plans.
Source: Ancient Conspiracy
Cite this Source
Unforeseen and Happy. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/happy/unforeseen
Happy & Unforeseen. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/happy/unforeseen>.
Unforeseen or Happy. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/happy/unforeseen.
Google Ngram Viewer shows how "happy" and "unforeseen" have occurred on timeline