What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

If vs What - What's the difference?

if | what |

As an initialism if

is interactive fiction.

As a pronoun what is

(interrogative) which thing, event, circumstance, etc: used interrogatively in asking for the specification of an identity, quantity, quality, etc.

As an adverb what is

in some manner or degree; in part; partly; usually followed by with .

As an interjection what is

.

As a determiner what is

which; which kind of.

As a noun what is

(obsolete) something; thing; stuff.

if

English

(wikipedia if)

Conjunction

(English Conjunctions)
  • Supposing that, assuming that, in the circumstances that;
  • If it rains, I will get wet .
  • Supposing that;
  • I'd prefer it if you took your shoes off.
  • Although;
  • He was a great friend, if a little stingy at the bar.
  • (computing) In the event that a statement is true (a programming statement that acts in a similar manner).
  • If A, then B, else C.
  • Whether;
  • I don't know if I want to go or not.
  • * 1715–1717 , , Alma; or, The Progress of the Mind , Canto III:
  • Quoth Matthew, “”
  • (usually hyperbolic) Even if; even in the circumstances that.
  • * 2004', (singers), “'''If It’s The Last Thing I Do” (song), in ''You Do Your Thing (album):
  • If' it’s the last thing I do / '''If''' it takes me from Tubilo to Timbuktu / '''If''' it’s the last thing I do / I’m gonna dodge every road block, speed trap, county cop / To get my hands on you / ' If it’s the last thing I do.

    Usage notes

    * Specifically a subordinating conjunction.

    Derived terms

    * iff * if and only if * if clause * if only * as if * even if * if so be

    Alternative forms

    * ifen * iffen

    Noun

    (en noun)
  • (informal) An uncertainty, possibility, condition, doubt etc.
  • * 1709, Susannah Centlivre, The Busy Body'', Act III, in John Bell (ed.), ''British Theater , J. Bell (1791), page 59,
  • Sir Fran.'' Nay, but Chargy, if——— ¶ ''Miran.'' Nay, Gardy, no Ifs'''.——Have I refus'd three northern lords, two British peers, and half a score knights, to have put in your ' Ifs ?
  • * 1791 January, "Richard?on’s Chemical Principles of the Metallic Arts''", in ''The Monthly Review , R. Griffiths, page 176,
  • Well might Bergman add, (in his Sciographia,''), if the compari?on that has been made, &c. be ju?t.” The pre?ent writer makes no ''ifs about the matter, and has ?uperadded a little inaccuracy of his own, […]
  • * {{quote-news, year=2013, date=April 9, author=Andrei Lankov, title=Stay Cool. Call North Korea’s Bluff., work=New York Times citation
  • , passage=Even if they managed to strike Japan, the United States or South Korea with nuclear weapons — a big if , given that they do not have a reliable delivery system — they could not save themselves from ultimate defeat.}}

    Derived terms

    * big if *

    See also

    * and * else * false * or * then * true

    Statistics

    *

    what

    English

    (wikipedia what)

    Pronoun

    (English Pronouns)
  • (interrogative) Which thing, event, circumstance, etc.: used interrogatively in asking for the specification of an identity, quantity, quality, etc.
  • (relative, nonstandard) That; which.
  • * 1902 , , (The Admirable Crichton) :
  • That’s her; that’s the thing what has stole his heart from me.
  • (relative) That which; those that; the thing that.
  • * {{quote-magazine, date=2013-06-21, author=(Oliver Burkeman)
  • , volume=189, issue=2, page=48, magazine=(The Guardian Weekly) , title= The tao of tech , passage=The dirty secret of the internet is that all this distraction and interruption is immensely profitable. Web companies like to boast […, or offering services that let you "stay up to date with what your friends are doing",

    Adverb

    (-)
  • In some manner or degree; in part; partly; usually followed by with .
  • Such.
  • (label) Why?
  • * (rfdate) (Chaucer)
  • What should I tell the answer of the knight?
  • * (rfdate) (John Milton)
  • But what do I stand reckoning upon advantages and gains lost by the misrule and turbulency of the prelates?
  • Used to introduce each of two coordinate phrases or concepts; both…and.
  • * :
  • And as for on C good knyghtes I haue my self / but I fawte / l / for so many haue ben slayne in my dayes / and so Ladegreans delyuerd his doughter Gweneuer vnto Merlyn / and the table round with the C knyghtes / and so they rode fresshly with grete royalte / what' by water and ' what by land / tyl that they came nyghe vnto london

    Synonyms

    * such

    Interjection

    (en interjection)
  • * 1605 Wm. Shakespeare, King Lear
  • What , have his daughters brought him to this pass?
    What ! That’s amazing.
  • (British, colloquial, dated) Is that not true?
  • It’s a nice day, what'''?'' (sometimes repeated, e.g.: '''''What'''-'''what ? )

    Determiner

    (en determiner)
  • Which; which kind of.
  • What shirt are you going to wear?
    What time is it?
    What kind of car is that?
  • How much; how great (used in an exclamation).
  • What talent he has!
    What a talent!

    Derived terms

    * wat * what ho * whatness * what's what

    Noun

    (-)
  • (obsolete) something; thing; stuff
  • * Spenser
  • They prayd him sit, and gave him for to feed / Such homely what as serves the simple clowne, / That doth despise the dainties of the towne

    Statistics

    *