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

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• Wordscraper
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n. The state of being frigid; frigidity; coldness.

n. The state of being frigid; want of heat, vigor, or affection; coldness; dullness.

n. The state of being frigid; coldness; want of ardor or fervor; frigidity.

n. the absence of heat

n. sexual unresponsiveness (especially of women) and inability to achieve orgasm during intercourse

n. a lack of affection or enthusiasm

"I’ve often used this column to complain about men and their invented word of "frigidness," which is nothing more than proof of poor technique, while at the same time urged women to explore their own bodies so they can find out what feels good and later tell their partners the exact areas they need to have worked on."

deadness    unresponsiveness   

coldness    dullness