one🔊

(cardinal numbers) The (number) represented by the (Arabic numeral) (1); the numerical value equal to that cardinal number.

(number theory) The (first) (positive) (number) in the set of (natural numbers).

(set theory) The (cardinality) of the smallest (nonempty) set.

(mathematics) The (ordinality) of an element which has no (predecessor), usually called ''(first)'' or ''(number one)''.

(indefinite) One thing (among a group of others); one member of a group.

(indefinite) Used after an adjective (but not after an attributive or possessive noun) to form a noun phrase.

(sometimes with "the") The first mentioned of two things or people, as opposed to the other.

(indefinite personal pronoun)(indefinite personal pronoun) Any person (applying to people in general). +

(pronoun) Any person, entity or thing.

The digit or figure 1.

(by ellipsis) {{n-g|Used to briefly refer to a noun phrase understood by context}}

(US) A one-dollar bill.

One o'clock, either a.m. or p.m.

(cricket) One run scored by hitting the ball and running between the wickets; a single.

A joke or amusing anecdote.

{{lb|en|followed by (for)}} A person (having some specified characteristic or attribute).

(colloquial) A particularly special or compatible person or thing.

(derogatory) A gay person.

(mathematics) The identity element with respect to multiplication in a ring.

(sarcastic) (!) {{ng|Used to amplify an exclamation, parodying unskilled typists who forget to press the shift key while typing exclamation points, thus typing "1"}}.

Of a period of time, being particular.

Being a single, unspecified thing; a; any.

Sole, only.

Whole, entire.

In agreement.

The same.

A single.

Used for emphasis in place of ''a''

Being a preeminent example.

Being an unknown person with the specified name; see also "a certain".

To cause to become one; to gather into a single whole; to unite.

{{non-gloss|Used at the end of a sentence to highlight the characteristics of someone or something.}}

(originator){{non-gloss|Used at the end of a sentence to highlight the originator of something.}}

{{non-gloss|A nominalizer used to form a noun phrase without a head noun.}}

(rare) {{non-gloss|Used as a relative pronoun at the end of a relative clause.}}