Number One Definition
noun
Oneself.
He's always looking out for number one.
Webster's New World
The first or best in quality, standing, importance, etc.
Webster's New World
One's own interests; oneself.
Watching out for number one.
American Heritage
The act of urinating.
American Heritage
Urine or urination.
Webster's New World
Synonyms:
adjective
First in rank, order, or importance.
The number one team in the nation; our number one problem.
American Heritage
Foremost in quality; first-rate.
Bought some number one farmland.
American Heritage
Other Word Forms of Number One
Noun
Singular:
number one
Plural:
number-onesIdioms, Phrasal Verbs Related to Number One
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