A Quick and Simple Dictionary

one

1. Cardinal number.  (cardinal) A numerical value equal to 1; the first number in the set of natural numbers (especially in number theory); the cardinality of the smallest nonempty set. Ordinal: first.
2. Cardinal number.  The ordinality of an element which has no predecessor, usually called ''first'' or ''number one''.
3. Pronoun.  (context, impersonal pronoun) One thing (among a group of others); one member of a group.
4. Pronoun.  (context, impersonal pronoun) The first mentioned of two things or people, as opposed to the other.
5. Pronoun.  (context, indefinite personal pronoun) Any person (applying to people in general).
6. Noun.  (mathematics) The neutral element with respect to multiplication in a ring.
7. Noun.  The digit or figure 1.
8. Noun.  (US) A one-dollar bill.
9. Noun.  (cricket) One run scored by hitting the ball and running between the wickets; a single.
10. Noun.  (Internet slang, leet) Used instead of ! to amplify an exclamation, imitating n00bs who forget to press the shift key while typing exclamation points.
11. Noun.  (colloquial) A particularly special or compatible person or thing.
12. Adjective.  Of a period of time, being particular; as, one morning, one year.
13. Adjective.  Being a single, unspecified thing; a; any.
14. Adjective.  Sole, only.
15. Adjective.  Whole, entire.
16. Adjective.  In agreement.
17. Adjective.  The same.
18. Adjective.  Being a preeminent example.
19. Adjective.  Being an unknown person with the specified name.