Synonyms: number one
Definition: a reference to yourself or myself etc.; `take care of number one' means to put your own interests first
Synonyms: number 1, number one, first
Definition: the first element in a countable series
Usage: the first of the month
Similar words: ordinal, ordinal number, no.
Definition: the number designating place in an ordered sequence
Synonyms: number one, first
Definition: the first or highest in an ordering or series
Usage: He wanted to be the first
Similar words: rank
Definition: relative status
Usage: his salary was determined by his rank and seniority