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.

adjective

little , slight , small , tiny

adjective

abundant , ample , billowing , bulky , capacious , cavernous , comprehensive , convoluted , copious , covering , expansive , extensive , full , great , large , legion , many , massive , multifarious , multitudinous , numerous , prolific , roomy , several , simple , spacious , sundry , swelling , various , wide , bounteous , bountiful , heavy , plenitudinous , plenteous , plentiful , substantial , vast