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Definition of "f" [f]

  • The sixth letter of the modern English alphabet. (noun)
  • Any of the speech sounds represented by the letter f. (noun)
  • The sixth in a series. (noun)
  • Something shaped like the letter F. (noun)
  • A grade that indicates failing status. (noun)
  • The sixth letter and fourth consonant of the modern English alphabet (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A speech sound represented by this letter, usually a voiceless labio-dental fricative, as in fat (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "f" in a sentence
  • "Above the hum of the private jet waiting below, the crowd heard these last words, To the Republican who called me a m---f--er, f--- you!"
  • "They go on about their thing, then I start yelling, 'I've f-- king had it up to here with your f--- king bulls -- t.'"
  • "David Schwartz: A.Z: f(x,y) is f(x)+f(y), where f() is a normal distribution with mean equal to the measured value and standard deviation equal to 1/2 the tolerance."