f

noun, often capitalized, often attributive

\ ˈef

plural f's or fs\ ˈefs

Definition of f

(Entry 1 of 4)

1a : the 6th letter of the English alphabet

b : a graphic representation of this letter

c : a speech counterpart of orthographic f

2 : the fourth tone of a C-major scale

3 : a graphic device for reproducing the letter f

4 : one designated f especially as the sixth in order or class

5a : a grade rating a student's work as failing

b : one graded or rated with an F

6 : something shaped like the letter F

abbreviation (1)

Definition of f (Entry 2 of 4)

1 failure

2 false

3 family

4 faraday

5 feast

6 female

7 feminine

8 femto-

9 fermi

10 fine

11 finish

12 fluid; fluidness

13 focal length

14 folio

15 [ following ] and the following one

16 force

17 forte

18 fragile

19 frequency

20 from

21 full

abbreviation (2)

Definition of F (Entry 3 of 4)

1 Fahrenheit

2 farad

3 French

4 Friday

symbol

Definition of F (Entry 4 of 4)

fluorine

Examples of f in a Sentence

Noun

The word “foot” begins with an f. The word “foot” begins with f. I got an F on the test.

Abbreviation (2)

Water freezes at 32 degrees F.

Keep scrolling for more

More Definitions for f

noun

English Language Learners Definition of f

: the sixth letter of the English alphabet

: a musical note or key referred to by the letter F : the fourth tone of a C-major scale

: a grade that is given to a student who is doing very poor work

See the full definition for f in the English Language Learners Dictionary

noun, often capitalized

\ ˈef

plural f's or fs\ ˈefs \

Kids Definition of f

1 : the sixth letter of the English alphabet

2 : a grade that shows a student's work is failing

3 : a musical note referred to by the letter F

abbreviation

Kids Definition of f.

female

abbreviation

Kids Definition of F

1 Fahrenheit

2 false

abbreviation

Medical Definition of f

(Entry 1 of 4)

1 farad

2 father

3 female

4 foot

5 formula

symbol

Medical Definition of f (Entry 2 of 4)

1 faraday

2 focal length

3 function

abbreviation

Medical Definition of F (Entry 3 of 4)

1 Fahrenheit

2 French

symbol

Medical Definition of F (Entry 4 of 4)

fluorine

Keep scrolling for more

WORD OF THE DAY

boilerplate

standardized text or formulaic language

Test Your Vocabulary

Finance Words Quiz

The etymology of mortgage is related most closely to which two words?

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

f

Definition of f

Examples of f in a Sentence

First Known Use of f

Learn More about f

Dictionary Entries near f

Statistics for f

The first known use of f was before the 12th century

English Language Learners Definition of f

Kids Definition of f

Kids Definition of f.

Kids Definition of F