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

• Lexulous
• Wordscraper
• Wordosaur

n. The state of not being used or of being no longer in use.

n. The state of not being used; neglect.

v. To cease the use of.

v. To cease to use; to discontinue the practice of.

v. To disaccustom; -- with to or from.

n. Cessation of use, practice, or exercise; inusitation; desuetude.

To cease to use; neglect or omit to employ; abandon or discard from exercise or practice.

n. Cessation of use, practice, or exercise: as, disuse of wine; disuse of sea-bathing; disuse of words.

n. Cessation of custom or observance; desuetude.

n. the state of something that has been unused and neglected

"There is such a thing as rudimen - tary organs which served functions long since fallen in disuse and now unremembered."

disused    disuses    disusing   

decline    declination   

omission   

disused   

disaccustom    inusitation    desuetude   

Bruce    Chartreuse    Duce    Luce    Seuss    Spruce    Zeus    abstruse    abuse    boose   

obliteration    demoralization    inactivity    deprivation    inertion    severance    domestication    disrepute    estrangement