Word.ws English Dictionary

wtf

wtf is the alternative letter-case form of WTF.

Phrase capitalized: WTF

WTF

  1. (Internet, abbreviation, initialism, slang, vulgar) Initialism of what the fuck.
    • I've READ them; I know what all the words are. I still say, "WTF, over?" Someone's playing with our heads on this one, but what's all the word stew?1985, Dick Dunn, “China Cat lyrics - explanations?”, in net.music.gdead (Usenet)
    • Now, please, explain WTF did you mean by this text?1994, Marat Fayzullin, “Re: MMM”, in relcom.talk (Usenet)
  2. (rare, vulgar) Where the fuck, why the fuck, when the fuck, or who the fuck.

Proper noun capitalized: WTF

WTF

  1. (abbreviation, dated, initialism) Initialism of World Taekwondo Federation.
    • Likewise the WTF says they are the official Tae Kwon Do organization because […]1998, The complete Idiot's guide to Taekwondo
    • The International Olympic Committee (IOC) recognizes WTF at its 83rd […]2003, Taekwondo: A Step-By-Step Guide to the Korean Art of Self-Defense
    Synonyms:
    WT

Noun capitalized: WTF

WTF (plural WTFs)

  1. (abbreviation, initialism) Initialism of White's tree frog.
  2. (slang) A bafflingly bad or unwise design decision.
    • I think coercing numbers to booleans is a WTF - 0 should not be evaluatable as a boolean, it should be a type mismatch.https://stackoverflow.com/questions/1995113/strangest-language-feature/3161298
    • React attempts to wrap the browser DOM API and it's conventions in a way that's (for people who use it) easier to reason about, that's kind of like saying Anvil is a WTF because it wraps Vulcanhttps://news.ycombinator.com/item?id=22888986

Synonyms of wtf

Forms of wtf

Phrase
alternative formwtf
alternative formW.T.F.
alternative formW. T. F.
Noun
pluralWTFs

Origin of wtf

(programming slang): Originated on The Daily WTF, a humorous blog dealing with real-world examples of bad programming.

Words formed from wtf

Questions about wtf

What does wtf mean?
Wtf means where the fuck, why the fuck, when the fuck, or who the fuck.
What is wtf the alternative letter-case form of?
Wtf is the alternative letter-case form of WTF.
What part of speech is wtf?
Wtf can be a phrase, a proper noun or a noun.

Words near wtf in the dictionary

  1. WTAI
  2. WTB
  3. WTC
  4. WTCs
  5. wtd.
  6. wtf
  7. WTF Star
  8. wtfdym
  9. WTFery
  10. WTFIGO
  11. WTFO

Source and license

Adapted from Wiktionary: wtf (page history and authors); WTF (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “wtf.” Word.ws, https://word.ws/wtf. Based on Wiktionary, CC BY-SA 4.0.