• synonyms


[sev-uh nth]
  1. next after the sixth; being the ordinal number for seven.
  2. being one of seven equal parts.
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  1. a seventh part, especially of one (1/7).
  2. the seventh member of a series.
  3. Music.
    1. a tone on the seventh degree from a given tone (counted as the first).
    2. the interval between such tones.
    3. the harmonic combination of such tones.
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Origin of seventh

before 950; Middle English; see seven, -th2; replacing Middle English sevethe, Old English seofotha
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for seventh


  1. (usually prenominal)
    1. coming after the sixth and before the eighth in numbering or counting order, position, time, etc; being the ordinal number of seven: often written 7th
    2. (as noun)she left on the seventh; he was the seventh to arrive
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    1. one of seven equal or nearly equal parts of an object, quantity, measurement, etc
    2. (as modifier)a seventh part
  1. the fraction equal to one divided by seven (1/7)
  2. music
    1. the interval between one note and another seven notes away from it counting inclusively along the diatonic scale
    2. one of two notes constituting such an interval in relation to the otherSee also major (def. 14), minor (def. 4), interval (def. 5)
    3. short for seventh chord
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  1. Also: seventhly after the sixth person, position, event, etc
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sentence connector
  1. Also: seventhly as the seventh point: linking what follows to the previous statements, as in a speech or argument
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for seventh

c.1300, from seven + -th (1); earlier sevende, seveth, from Old English seofunda (Anglian, Northumbrian), seofoþa (West Saxon), from Proto-Germanic *sebundon (cf. Old Norse sjaundi, Old Saxon sivondo, Old High German sibunto, German siebente, siebte). The music note sense is from 1590s.

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Online Etymology Dictionary, © 2010 Douglas Harper