voluminous

adj.

[1]	large , extensive , great , spacious , capacious , expansive , roomy , loose , ample , big , ample , bulky , cavernous , copious , massive , huge , substantial , tremendous , enormous , gigantic , mammoth , vast
[2]	oversized , tortuous , twisting , out-sized , ample , twisty , winding , billowing
[3]	copious