O
O noun - The numerical symbol 0 or the absence of number or quantity represented by it.
Usage example: our zip code is six-o-three-seven-five
Zero
Zero noun - The numerical symbol 0 or the absence of number or quantity represented by it.
Usage example: anything multiplied by zero comes out to zero
Nearby Words: zeroed, zeroing
Mutual synonyms
Cite this Source
Zero and O. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/o/zero
O & Zero. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/o/zero>.
Zero or O. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/o/zero.
Google Ngram Viewer shows how "o" and "zero" have occurred on timeline