Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun number_one

3 senses of number one

Sense 1
number one -- (a reference to yourself or myself etc.; `take care of number one' means to put your own interests first)
       => self -- (a person considered as a unique individual; "one's own self")

Sense 2
first, number one -- (the first or highest in an ordering or series; "He wanted to be the first")
       => rank -- (relative status; "his salary was determined by his rank and seniority")

Sense 3
first, number one, number 1 -- (the first element in a countable series; "the first of the month")
       => ordinal number, ordinal, no. -- (the number designating place in an ordered sequence)