One in a million
Red-letter and one in a million are semantically related. In some cases you can use "Red-letter" instead an adjective phrase "One in a million".
Red-letter
Red-letter adjective - Memorable for being a special occasion.
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Synonyms for Red-letter
One in a million and red-letter are semantically related. Sometimes you can use "One in a million" instead an adjective phrase "Red-letter".
Mutual synonyms
Cite this Source
Red-letter and One in a million. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/one_in_a_million/red-letter
One in a million & Red-letter. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/one_in_a_million/red-letter>.
Red-letter or One in a million. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/one_in_a_million/red-letter.
