This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
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n. The state of being copious

n. The state or quality of being copious; abudance; plenty; also, diffuseness in style.

n. Abundance; plenty; great quantity; full supply.

n. Diffuseness of style or manner in writing or speaking, or superabundance of matter.

n. Synonyms Exuberance, richness, profusion.

n. the property of a more than adequate quantity or supply

"English) the copiousness is somewhat painful to readers."

quantity   

profuseness    profusion    plentifulness    voluptuousness    plenty    overabundance    bountifulness    plenitude    bounty    cornucopia   

richness    plenty    exuberance    abudance   

rampancy    perspicuity    superabundance    limpidity    terseness    constitute    distinctness    wearisomeness    plethora    fluency