Find Synonyms

deficiency Synonyms

Another word for deficiency

Choosing another word for deficiency depends on context, so the 16 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A lack or shortage of something necessary, especially a nutrient or substance required for normal bodily health and function.

Usage Example

"The doctor prescribed dietary supplements to treat her severe iron shortage."

Strongest
shortage
lack
insufficiency
deficit
Strong
scarcity
inadequacy
shortfall
dearth

• noun (Context 2)

A failing, flaw, or shortcoming in quality, character, or performance.

Usage Example

"The safety audit revealed several critical deficiencies in the building's fire alarm system."

Strongest
shortcoming
flaw
defect
weakness
Strong
fault
failing
imperfection
limitation

Opposites of deficiency

The opposite of deficiency shifts depending on context. Common opposites include:

sufficiency
strength
surplus
excess
perfection
abundance
merit
asset
See all opposites of deficiency

• Nearby Words

defiant
defiantly
defibrillator
deficiency
deficient
deficiently
deficit

Cite this Entry

Wordmom. (2026). Synonyms for Deficiency. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/deficiency
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