Once-in-a-lifetime
Rare and once-in-a-lifetime are semantically related. In some cases you can use "Rare" instead an adjective phrase "Once-in-a-lifetime".
Rare
Rare adjective - Being out of the ordinary.
Once-in-a-lifetime and rare are semantically related. Sometimes you can use "Once-in-a-lifetime" instead an adjective "Rare".
Mutual synonyms
Both words in one sentence
- For most people, a unique once-in-a-lifetime occurrence is a rare event that may have long-lasting consequences.
Source: Coincidence Magnet
Cite this Source
Rare and Once-in-a-lifetime. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/once-in-a-lifetime/rare
Once-in-a-lifetime & Rare. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/once-in-a-lifetime/rare>.
Rare or Once-in-a-lifetime. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/once-in-a-lifetime/rare.