Whoever.
Any person, entity or thing.
The first mentioned of two things or people, as opposed to the other.
Functions as a relative pronoun at the end of a relative clause.
Any person (applying to people in general).
One thing (among a group of others); one member of a group.
Used as a noun substituent following a possessive determiner.
Used to emphasize or explain something, with an implied antecedent.
Used at the end of a sentence to highlight the characteristics of someone or something.
A nominalizer; used to form a noun phrase without a head noun.
The cardinality of the smallest nonempty set.
The first positive number in the set of natural numbers.
The number represented by the Arabic numeral 1; the numerical value equal to that cardinal number.
The ordinality of an element which has no predecessor, usually called first or number one.
To cause to become one; to gather into a single whole; to unite.
Whole, entire.
Being an unknown person with the specified name; see also "a certain".
The same.
In agreement.
Being a preeminent example.
Sole, only.
Being a single, unspecified thing; a; any.
Of a period of time, being particular.
One run scored by hitting the ball and running between the wickets; a single.
A joke or amusing anecdote.
A particularly special or compatible person or thing.
A one-dollar bill.
Used instead of ! to amplify an exclamation, parodying unskilled typists who forget to press the shift key while typing exclamation points, thus typing "1".
The neutral element with respect to multiplication in a ring.
One o'clock, either a.m. or p.m.
The digit or figure 1.