fourth

noun \ ˈfȯrth \
Updated on: 8 Nov 2017

Definition of fourth

plural fourths play \ˈfȯr(th)s\
1 :one that is number four in a series — see Table of Numbers
2 a :a musical interval (see interval 2b) embracing four tones of the diatonic scale
b :a tone at this interval; specifically :subdominant 1
c :the harmonic combination of two tones a fourth apart
3 :the fourth forward gear or speed of a motor vehicle
  • shifted into fourth
4 capitalized :independence day used with the
  • watched fireworks on the Fourth

fourth

adjective or adverb

fourthly

adverb

Examples of fourth in a Sentence

  1. cut the cake into fourths

  2. She drank a fourth of the bottle.

Recent Examples of fourth from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fourth.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of fourth

see four

Other Number-Related Terms



FOURTH Defined for English Language Learners

fourth

noun

Definition of fourth for English Language Learners

  • : number four in a series

  • : one of four equal parts of something

  • : the fourth forward gear or speed of a car, truck, etc.


FOURTH Defined for Kids

1

fourth

adjective \ ˈfȯrth \

Definition of fourth for Students

:coming right after third

2

fourth

noun

Definition of fourth for Students

1 :number four in a series
2 :one of four equal parts


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