Word.ws English Dictionary

lmfao

lmfao is the alternative letter-case form of LMFAO.

Interjection capitalized: LMFAO

  1. (Internet, abbreviation, initialism, vulgar) Initialism of laughing my fucking ass (arse) off More emphatic form of LMAO.

Origin of lmfao

LMAO with an additional F meaning fucking.

Words formed from lmfao

Questions about lmfao

What is lmfao the alternative letter-case form of?
Lmfao is the alternative letter-case form of LMFAO.
What part of speech is lmfao?
Lmfao is an interjection.

Words near lmfao in the dictionary

  1. LMDh
  2. LMDhs
  3. LMDO
  4. LME
  5. LMF
  6. lmfao
  7. LMFAOOL
  8. LMFBR
  9. LMFBRs
  10. LMFP
  11. LMFT

Source and license

Adapted from Wiktionary: lmfao (page history and authors); LMFAO (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:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Sapaa-LMFAO.wav.

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