number one

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Adjective 1.2 Noun 1.2.1 Derived terms 1.2.2 Translations 1.3 See also

[edit] English

[edit] Adjective

number one

1. (idiomatic) First; foremost; best.

   Commuting to work is the number one reason to own a car.

[edit] Noun

number one

1. the most important person, notably who is in charge
2. oneself, being considered foremost, as by an egoist
3. (childish euphemism) Urine; urination.

[edit] Derived terms

• go number one
• look out for number one

[edit] Translations

[edit] See also

• number two