one

num

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

   “In some religions, there is more than one god.”

   “In many cultures, a baby turns one year old a year after its birth.”

   “One person, one vote.”

   “A ceremony at which two persons undertake to become one, one undertakes to become nothing, and nothing undertakes to become supportable.”

   “Venters began to count them—one—two—three—four—on up to sixteen.”

2. The first positive number in the set of natural numbers.
3. The cardinality of the smallest nonempty set.
4. The ordinality of an element which has no predecessor, usually called first or number one.

pron

1. (impersonal, indefinite, pronoun)One thing (among a group of others); one member of a group.

   “Any one of the boys.”

   “Every one of the bank’s employees.”

   “A good driver is one who drives carefully.”

   “Can I borrow an eraser? — Sorry pal, I haven't got one.”

   “He's not one to pull his punches.”

2. (impersonal, pronoun, sometimes, with-definite-article)The first mentioned of two things or people, as opposed to the other.

   “She offered him an apple and an orange; he took (the) one and left the other.”

   “I am one of the few women who've climbed Everest.”

   “Study gives strength to the mind; conversation, grace: the first apt to give stiffness, the other suppleness: one gives substance and form to the statue, the other polishes it.”

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

   “One’s guilt may trouble one, but it is best not to let oneself be troubled by things which cannot be changed.  One shouldn’t be too quick to judge.”

   “My neighbor talks to one like a teacher.”

   “It was not far from the house; but the ground sank into a depression there, and the ridge of it behind shut out everything except just the roof of the tallest hayrick. As one sat on the sward behind the elm, with the back turned on the rick and nothing in front but the tall elms and the oaks in the other hedge, it was quite easy to fancy it the verge of the prairie with the backwoods close by.”

   “She was a fat, round little woman, richly apparelled in velvet and lace,[…]; and the way she laughed, cackling like a hen, the way she talked to the waiters and the maid,[…] — all these unexpected phenomena impelled one to hysterical mirth, and made one class her with such immortally ludicrous types as Ally Sloper, the Widow Twankey, or Miss Moucher.”

   “‘It's rather like a beautiful Inverness cloak one has inherited. Much too good to hide away, so one wears it instead of an overcoat and pretends it's an amusing new fashion.’”

4. (pronoun)Any person, entity or thing.

   “"driver", noun: one who drives.”

5. (Manglish, Singlish, uncommon)Used as a relative pronoun at the end of a relative clause.

   “The bird that make a lot of noise one is gone already.”

noun

1. The digit or figure 1.

   “This effectively allows switching on and off of the flow of current, so it is either conducting or not conducting, creating the binary system of zeroes and ones used in digital computers.”

2. (US)Used to briefly refer to a noun phrase understood by context

   “I need some ones to make change.”

3. Used to briefly refer to a noun phrase understood by context

   “It was already one in the morning; the rain pattered dismally against the panes, and my candle was nearly burnt out, when, by the glimmer of the half-extinguished light, I saw the dull yellow eye of the creature open; it breathed hard, and a convulsive motion agitated its limbs.”

   “The ophthalmic surgeon attends Tuesdays and Saturdays, at half-past one.”

   “It was a weary time. A carriage clock had been placed on the discoloured wooden mantelpiece, and slowly its hands crept on from one to two and from two to three.”

4. Used to briefly refer to a noun phrase understood by context
5. Used to briefly refer to a noun phrase understood by context

   “Did you hear the one about the agnostic dyslexic insomniac?”

6. Used to briefly refer to a noun phrase understood by context

   “You already know, so you can answer that one yourselves”

7. Used to briefly refer to a noun phrase understood by context

   “I had a quick one after work”

   “There’s nothing better than drinking a cold one when the weather’s boiling outside”

8. Used to briefly refer to a noun phrase understood by context

   “Just a quick one before work”

9. A person or thing (having some specified characteristic or attribute).

   “Now, he's a curious one.”

   “Well, well, well, it seems the silent one does have a voice, after all.”

   “That's the one to watch if you want to win.”

10. A person or thing (having some specified characteristic or attribute).

    “He's not one for pulling his punches.”

    “Pause. They look meaningly at one another. / "You are a one for being roundabout," says the lady.”

11. (archaic, endearing, ironic)A person or thing (having some specified characteristic or attribute).

    “Oh, most merciful one!”

    “Hey, sleepy one.”

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

    “I knew as soon I met him that John was the one for me and we were married within a month.”

    “That car's the one — I'll buy it.”

    “When you love a woman then tell her / that she's really wanted / When you love a woman then tell her that she's the one / 'cause she needs somebody to tell her / that it's gonna last forever”

13. (dated, derogatory, euphemistic)A gay person.

    “Finally got Ollie Martin. He couldn't have more poise, and what do I care if he is one?”

14. The identity element with respect to multiplication in a ring.
15. (Internet, Leet, alt-of, deliberate, misspelling, sarcastic)Deliberate misspelling of !, used to amplify an exclamation, parodying unskilled typists who forget to press the shift key while typing exclamation points, thus typing "1".

    “A: SUM1 Hl3p ME im alwyz L0ziN!1!?1!”

    “B: y d0nt u just g0 away l0zer!!1!!one!!one!!eleven!!1!”

    “2003 September 26, "DEAL WITH IT!!!!11one!!", in alt.games.video.nintendo.gamecube, Usenet”

    “2004 November 9, "AWK sound recorder!!!11!!11one", in comp.lang.awk, Usenet”

    “2007 December 1, "STANFORD!!1!!1!one!11!!1oneone!1!1!", in rec.sport.football.college, Usenet”

16. (alt-of, honorific)Honorific alternative letter-case form of one, sometimes used when referring to God or another important figure who is understood from context.

    “And He died for all so that those who live should no longer live for themselves, but for the One who died for them and was raised.”

    “Hopefully, after reading this chapter, this reflection upon Christianity versus skepticism will cause each of us to contemplate more critically upon the One who died for us so that we might live for Him.”

    “I would encourage you to make your own investigation of the One who, as He died, prayed for those who killed Him”

adj

1. (not-comparable)Of a period of time, being particular.

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

   “One morning I had been driven to the precarious refuge afforded by the steps of the inn, after rejecting offers from the Celebrity to join him in a variety of amusements. But even here I was not free from interruption, for he was seated on a horse-block below me, playing with a fox terrier.”

2. (not-comparable)Being a single, unspecified thing; a; any.

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

3. (not-comparable)Sole, only.

   “He is the one man who can help you.”

   “The one male audience member at the concert is invited on stage.”

4. (not-comparable)Whole, entire.

   “Body and soul are not separate; they are one.”

5. (not-comparable)In agreement.

   “We are one on the importance of learning.”

6. (not-comparable)The same.

   “The two types look very different, but are one species.”

det

1. A single.

   “There was one box of biscuits available.”

2. Used for emphasis in place of a

   “He is one hell of a guy.”

3. Used for emphasis in place of a

   “The town records from 1843 showed the overnight incarceration of one “A. Lincoln”.”

verb

1. (transitive)To cause to become one; to gather into a single whole; to unite.

   “The question, of course, evokes discernment, not dogma, but we should note that the "unknowing" involves intellectual knowledge, whereas the problematic of being "oned" involves experiential knowledge.”

   “And both shall be oned in eternal happiness.”

   “Knit and oned to God human beings are irrevocably in relationship with the divine.”

   “What might be if we were Oned? United, as we would say, but at a greater depth than being a season ticket holder in a football club, or a shareholder in some conglomerate.”

particle

1. (Manglish, Singlish)Used at the end of a sentence to highlight the characteristics of someone or something.

   “Got almonds one.”

   “How come so heavy one ah?”

   “Can one, why cannot?”

   “Need to take train one.”

   “'My boyfriends very possessive one. They don't allow me to wear clothes I want, do things I want,' she laments.”

2. (Manglish, Singlish)Used at the end of a sentence to highlight the originator of something.

   “My friend send one.”

   “Who say one?”

   “He ask one, not I ask one.”

   “ooooooooooar! you own self admit one har! i never say one har!”

3. (Manglish, Singlish)Used at the end of a sentence to highlight the likelihood of something occurring, as a characteristic of something else.

   “Can easily get lost one, know?”

4. (Manglish, Singlish)A nominalizer used to form a noun phrase without a head noun.

   “The sell fruits one go home already.”