Big
Big adjective - Coming before all others in importance.
Usage example: the big story that year was the assassination of the president
Number one and big are semantically related. In some cases you can use "Number one" instead an adjective "Big".
Nearby Word: bigness
Number one
Number one adjective - Coming before all others in importance.
Usage example: considers international terrorism to be the number one threat to national security
Big and number one are semantically related. Sometimes you can use "Big" instead an adjective phrase "Number one".
Both terms in one sentence
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Danny essentially has a big wanted list of alien criminals on Earth, and surprise surprise the one that killed his parents is number one on the list.
Source: Gotta Kill Them All - Big Bad: The number one villain, responsible for everything bad that happens in the story.
Source: Villains -
It's not clear why: it's not a stereotypical "big" number one can easily use for exaggeration and/or laughs, and it's not terribly easy to remember, either.
Source: 108
Cite this Source
Number one and Big. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/big/number_one
Big & Number one. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/big/number_one>.
Number one or Big. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/big/number_one.
Google Ngram Viewer shows how "big" and "number one" have occurred on timeline