number one

Noun	1.	number one - a reference to yourself or myself etc.; `take care of number one' means to put your own interests first colloquialism - a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech self - a person considered as a unique individual; "one's own self"
	2.	number one - the first or highest in an ordering or series; "He wanted to be the first" first former - the first of two or the first mentioned of two; "Tom and Dick were both heroes but only the former is remembered today" rank - relative status; "his salary was determined by his rank and seniority"
	3.	number one - the first element in a countable series; "the first of the month" number 1, first no., ordinal, ordinal number - the number designating place in an ordered sequence

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