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.

Jeff vs Eff - What's the difference?

jeff | eff |

As verbs the difference between jeff and eff

is that jeff is to play or gamble with em quads, throwing them as dice while eff is fuck.

As a proper noun Jeff

is a diminutive of the male given name Jeffrey or Jeffery.

As an initialism EFF is

Electronic Frontier Foundation

jeff

English

Proper noun

(en proper noun)
  • A diminutive of the male given name Jeffrey or Jeffery.

    • See also

    * Geoff * Mutt and Jeff English diminutives of male given names ----

    eff

    English

    Alternative forms

    * ef

    Verb

  • (euphemistic, slang) Fuck.
    • Eff off!
    And he kept saying, "Effing this, effing that."

    Usage notes

    Eff' is used to replace ' fuck as a taboo swearword but not in its sense of "to copulate".

    Derived terms

    * eff all * eff and blind * effing * eff off ----