Main Entry: fifth

Pronunciation: \ˈfith, ˈfif(t)th, ˈfift\

Function: noun

Inflected Form(s): plural fifths \ˈfiths, ˈfif(t)ths, ˈfif(t)s\

Etymology: Middle English fifte, fifthe, from Old English fīfta, from fīf five

Date: before 12th century

1 — see number table
2 a : the musical interval embracing five diatonic degrees b : a tone at this interval; specifically : dominant 1 c : the harmonic combination of two tones at this interval
3 : a unit of measure for liquor equal to one fifth of a United States gallon (0.757 liter)
4 capitalized : the Fifth Amendment of the United States Constitution; also : the right accorded by the Fifth Amendment to refuse to testify against oneself —usually used in the phrase take the Fifth

— fifth adjective or adverb

— fifth·ly adverb