noun \ˈfrth\

: number four in a series

: one of four equal parts of something

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

plural fourths \ˈfr(th)s\

Full Definition of FOURTH

— see number table
a :  a musical interval 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
:  the fourth forward gear or speed of a motor vehicle
capitalized :  independence day —used with the
fourth adjective or adverb
fourth·ly adverb

Examples of FOURTH

  1. cut the cake into fourths
  2. She drank a fourth of the bottle.

First Known Use of FOURTH

before 12th century

Other Number-Related Terms

jubilee, myriad, quarantine, score, twain

Rhymes with FOURTH


Next Word in the Dictionary: fourth class
Previous Word in the Dictionary: fourteen–two balkline
All Words Near: fourth

Seen & Heard

What made you want to look up fourth? Please tell us where you read or heard it (including the quote, if possible).