NO. 1 Synonyms: 208 Similar and Opposite Words

number one

adjective

variants also No. 1

as in main

coming before all others in importance considers international terrorism to be the number one threat to national security

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in excellent

of the very best kind the company's chocolate is rated as number one by serious chocoholics

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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Recent Examples of number one The question will be, number one is, what are the excesses beyond the insured amounts and the ability to deal with those and the companies, in terms of meeting payrolls? —

Nbc Universal, NBC News, 12 Mar. 2023 Depositors and workers in the companies whose deposits are in that bank need to be job number one. —

CBS News, 12 Mar. 2023 The city's even earned the rating of number one most stressful for workers in the U.S., according to a recent report. —

Michael Murney, Chron, 8 Mar. 2023 The number one priority in those situations is the health of the player. —

Dalton Ross, EW.com, 2 Mar. 2023 See All Example Sentences for number one

Recent Examples of Synonyms for number one

Adjective

The school plans to consolidate the store with its main location in the Student Union Building on campus.

— Angela Palermo, Idaho Statesman, 10 Dec. 2025
There, the six cast members who portray the two main characters sat down for an interview.

— Dillon Thomas, CBS News, 10 Dec. 2025