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

• Lexulous
• Wordscraper
• Wordosaur

n. A failure to attain a specified amount or level; a shortage.

n. The amount by which a supply falls short of expectation, need, or demand.

n. An instance of not meeting a quota or of having an insufficient amount.

n. The amount by which a quota is missed; the amount missing.

n. the property of being an amount by which something is less than expected or required

"However, Basu and other economists suggest that the majority of the shortfall is because of the bad economy rather than the way Marylanders reacted to the tax increase."

inadequacy    deficiency    insufficiency   

oxygen deficit   

shortfall constraint    shortfall risk    closure shortfall    implementation shortfall    force shortfall   

downturn    boost    setback    cutback    inflows    shortage    imbalance    allocation    stockpile    turnaround