One
Part of speech: numeral
Definition: 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. The ordinality of an element which has no predecessor, usually called first or number one.
Part of speech: pronoun
Definition: one thing (among a group of others); one member of a group any person (applying to people in general)
Part of speech: noun
Definition: The neutral element with respect to multiplication in a ring. The digit or figure 1. A one-dollar bill. One run scored by hitting the ball and running between the wickets; a single.
Part of speech: adjective
Definition: Of a period of time, being particular; as, one morning, one year. Being a single, unspecified thing; a; any. Sole, only. Whole, entire. In agreement. The same. Being a preeminent example. Being an unknown person with the specified name.
1
Part of speech: symbol
Definition: The cardinal number one, a single thing or unit.numeral corresponding to the number one.
Part of speech: adjective
Definition: Of a single thing or unit; of cardinality one.