A really fast thesaurus... with lots of synonyms.

(n) :
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

"there is only one Earth."

(adj) :
of a period of time, being particular; as, one morning, one year; a single, unspecified thing; a; any

"one day the prince set forth to kill the dragon that had brought terror to his father's kingdom for centuries."

This word has been

viewed 3,040 times.

Tweet

for one:

(n) :
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

"there is only one Earth."

(adj) :
of a period of time, being particular; as, one morning, one year; a single, unspecified thing; a; any

"one day the prince set forth to kill the dragon that had brought terror to his father's kingdom for centuries."