'shortfall' definitions:

Definition of 'shortfall'

noun

The property of being an amount by which something is less than expected or required; "new blood vessels bud out from the already dilated vascular bed to make up the nutritional deficit" [syn: deficit, shortage, shortfall]

Synonyms of 'shortfall'

From: Moby Thesaurus

absence,
arrear,
arrearage,
arrears,
beggary,
decline,
defalcation,
default,
defectiveness,
deficiency,
deficit,
delinquency,
deprivation,
destitution,
drought,
failure,
falling short,
famine,
imperfection,
impoverishment,
inadequacy,
incompleteness,
inferiority,
insufficiency,
lack,
need,
omission,
short measure,
shortage,
shortcoming,
slump,
starvation,
underage,
want,
wantage