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

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n. The state or quality of being deep (either physically or metaphorically)

n. The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; -- opposed to shallowness.

n. Craft; insidiousness.

n. The state of being deep, in any sense; depth.

n. the extent downward or backward or inward

n. a low pitch that is loud and voluminous

n. the intellectual ability to penetrate deeply into ideas

n. the quality of being physically deep

"But there is no heartland, no dark deepness, which is increasingly true of most of Europe, much of Asia, and eastern North America."

low pitch    low frequency    wisdom    sapience   

depth    profundity    craft    insidiousness   

friendfeed    habiliment    solubilization    lightyears    decrescendo    becauseyou    barrin    macrocosm    vassa    positional