Eff and Know

Eff

Eff verb - Have sexual intercourse with.
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Synonyms for Eff

Know is a synonym for eff. In some cases you can use "Know" instead a verb "Eff".

Know

Know verb - To have a practical understanding of.

Eff is a synonym for know. You can use "Eff" instead a verb "Know".

Nearby Words: knowing, known

Both words in one sentence

  • I know you don't approve of swearing, so we'll sort that out: you are a boring eff-star-star-CUNT.
    Source: Boring Insult
  • Sorry, I know that you disapprove of swearing, so I'll sort that out: you are a boring eff-star-star-cunt.
Cite this Source
Know and Eff. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/eff/know
Eff & Know. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/eff/know>.
Know or Eff. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/eff/know.
Google Ngram Viewer shows how "eff" and "know" have occurred on timeline