adverb

1. one and only one time
2. formerly

noun (ones)

1. (mathematics) The neutral element with respect to multiplication in a ring.
2. The digit or figure 1.
3. A one-dollar bill.
4. (cricket) One run scored by hitting the ball and running between the wickets; a single.

adjective

1. Of a period of time, being particular; as, one morning, one year.

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

1. A single, unspecified thing; a; any.

My aunt used to say, "One day is just like the other."

1. sole, Sole, only.

He is the man who can help you.

1. whole, Whole, entire.

He is hell of a guy.

pronoun (reflexive, oneself, possessive, one"s)

1. (context, nominative case) Any person or thing.

One shouldn"t be too quick to judge.

The big looks good.

1. (context, accusative case) Any person or thing.

I want the green .

One"s guilt may trouble .

adjective

1. singular; part of a relatively small number

he is the doctor for miles

1. without sibling; without a sibling of the same gender

he is their son, infact, an child

1. singularly superior; the best

adverb

1. without others or anything further; exclusively

my heart is hers, and hers

1. no more than; just

if there were one more ticket!

1. as recently as

he left moments ago

noun

1. (logic) The binary operator inclusive or, true if one at least one of two inputs is true. In infix notation, it has values

(0 OR 0) = 0<br>
(0 OR 1) = 1<br>
(1 OR 0) = 1<br>
(1 OR 1) = 1<br> abbreviation

1. Oregon, a state of the United States of America.

initialism

1. operating room
2. operations research