the.com/deficiency

The gap between what you need and what you've got, measured in missing pieces.

means A lack or shortage of something necessary — the amount by which a thing falls short of what's required.

from From Latin deficere, 'to fail' or 'to desert' — a fusion of de- ('away, down') and facere ('to do, make'). The same root gives us 'deficit' and 'defect.' Literally, to be deficient is to have something 'un-made' or taken away from completeness, as if a piece quietly walked off the job.

medical use
Vitamin D deficiency affects over a billion people worldwide
legal term
A deficiency judgment chases debt after foreclosure sales
same root
Shares DNA with effect, defect, and perfect
not a flaw
Technically means missing, not broken
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