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

• Lexulous
• Wordscraper
• Wordosaur

n. The act of a person or thing that fails; a failure.

n. A minor fault.

adj. Undergoing failure: failing health; failing kidneys; a failing business.

preposition. In the absence of; without: Failing new evidence, the case will surely be lost.

v. Present participle of fail.

n. weakness; defect

preposition. if the preferred or prior option is not possible

n. A failing short; a becoming deficient; failure; deficiency; imperfection; weakness; lapse; fault; infirmity.

n. The act of becoming insolvent of bankrupt.

n. The act or condition of one who fails; imperfection; weakness; fault.

n. Synonyms Foible, imperfection, shortcoming, weakness, infirmity.

adj. below acceptable in performance

n. a flaw or weak point

n. failure to reach a minimum required performance

"One defense against this failing is the Bill of Rights, but the list of protected liberties is not intended to be complete."

unsatisfactory   

failure   

fault    failure    deficiency    imperfection    weakness    lapse    infirmity   

fail   

ailing    assailing    bailing    baling    curtailing    derailing    detailing    emailing    entailing    flailing   

shortcoming    foible    frailty    imperfection    infirmity    drawback    flaw    idiosyncrasy    blemish    misdeed