Related terms

• Fifth Amendment
• fifth gear
• fifth wheel
• take the Fifth

Fifth may refer to:

• One fifth, a quintile, or 20% of a certain amount
• The fifth in a series, or four after the first
• 1st Battalion 5th Marines
• In the United States, the Fifth Amendment to the United States Constitution especially as in the expression "Taking the Fifth".
• Fifth (Stargate), a robotic character in the television series Stargate SG-1
• A Fifth-generation programming language
• Symphony No. 5 (Beethoven) is commonly referred to as Beethoven's Fifth
• 5 (Soft Machine album)
• A common term for 750 ml of hard liquor, approximately one fifth of a U.S. gallon.
• A political term, fifth column
• Fifth disease - a contagious rash that spreads in school aged children
• Fifth force - a proposed force of nature in addition to the four known fundamental forces

In music theory:

• A musical interval; specifically, a perfect fifth, diminished fifth or augmented fifth
• A chord member separated from the chord's root by one of the above intervals
• The dominant or fifth diatonic scale degree, and the chord built on it

consecutive intervals, decimalization, decimation, degree, diapason, diatessaron, diatonic interval, diatonic semitone, enharmonic diesis, enharmonic interval, fivefold, fourth, half step, halftone, interval, less semitone, melodic interval, note, octave, parallel octaves, pentad, pentadic, pentastyle, pentavalent, quinary, quincuncial, quinquefid, quinquennial, quinquepartite, quinquepartition, quinquesection, quintuple, quintuplicate, second, semitone, seventh, sextipartition, sixth, step, tenth, third, tithe, tone, unison interval, whole step