[ vuh-loo-muh-nuhs ]
/ vəˈlu mə nəs /


forming, filling, or writing a large volume or many volumes: a voluminous edition.
sufficient to fill a volume or volumes: a voluminous correspondence.
of great volume, size, or extent: voluminous flow of lava.
of ample size, extent, or fullness: voluminous petticoats.
having many coils, convolutions, or windings.

Nearby words

  1. volumetric,
  2. volumetric analysis,
  3. volumetric displacement,
  4. volumetric efficiency,
  5. volumetric solution,
  6. volund,
  7. voluntarily,
  8. voluntarism,
  9. voluntary,
  10. voluntary abortion

Origin of voluminous

1605–15; < Late Latin volūminōsus full of folds, equivalent to Latin volūmin- (stem of volūmen) volume + -ōsus -ous

Related forms
Can be confusedcompendious voluminous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for voluminous

British Dictionary definitions for voluminous


/ (vəˈluːmɪnəs) /


of great size, quantity, volume, or extent
(of writing) consisting of or sufficient to fill volumes
prolific in writing or speech
obsolete winding
Derived Formsvoluminosity (vəˌluːmɪˈnɒsɪtɪ) or voluminousness, nounvoluminously, adverb

Word Origin for voluminous

C17: from Late Latin volūminōsus full of windings, from volūmen volume

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 voluminous



"forming a large mass," 1610s, from Late Latin voluminosus, from Latin volumen (genitive voluminis) "volume" (see volume). Related: Voluminously.

Online Etymology Dictionary, © 2010 Douglas Harper