Synonyms of inadequacy

inadequacy

noun

(ˌ)i-ˈna-di-kwə-sē 

1

as in shortage

a falling short of an essential or desirable amount or number

the inadequacy of our servings was soon apparent, as hungry guests started clamoring for seconds

Synonyms & Similar Words

• shortage
• lack
• deficiency
• insufficiency
• deficit
• scarcity
• absence
• paucity
• poverty
• drought
• inadequateness
• failure
• famine
• dearth
• lacuna
• scantiness
• undersupply
• scarceness
• omission
• crunch
• pinch
• necessity
• meagerness
• want
• privation
• skimpiness
• poorness
• need

Antonyms & Near Antonyms

• adequacy
• sufficiency
• abundance
• amplitude
• wealth
• opulence
• plenty
• plenitude
• excess
• surplus
• overabundance
• oversupply
• copiousness
• surfeit
• bountifulness

2

as in inability

the lack of sufficient ability, power, or means

tried to blame others in order to hide the inadequacy of his leadership

Synonyms & Similar Words

• inability
• incompetence
• powerlessness
• impotence
• ineptitude
• incapacity
• incompetency
• incapability
• insufficiency
• ineffectiveness
• inefficiency
• disqualification
• inefficacy
• inaptitude
• ineffectuality
• ineffectualness
• inefficaciousness

Antonyms & Near Antonyms

• adequacy
• competence
• ability
• capacity
• competency
• capability
• potency
• efficiency
• talent
• gift
• effectiveness
• endowment
• aptitude
• genius
• flair
• knack
• bent
• suitability
• strength
• power
• fitness
• efficaciousness
• potency
• effectualness
• suitableness
• sinew
• puissance

Example Sentences

Recent Examples of inadequacy

Obstacles, even a sense of fear or inadequacy, might prevent you from being effective. — Georgia Nicols, Denver Post, 1 Sep. 2026

But if the reason you’re being drawn to improve your appearance comes from a place of in inadequacy and constant comparison to others, then this motivation may leave you at risk of developing restrictive or harmful behaviors. — Jennifer Donnelly, Scientific American, 30 Aug. 2026

After all, the class was her sanctuary through a breakup, during feelings of inadequacy and when she was frustrated with work. — Sneha Dhandapani, CNN Money, 25 Aug. 2026

Then there’s social jealousy, like if your daughter didn’t get invited to a sleepover, which causes feelings of insecurity or inadequacy. — Jenna Autuori-Dedic, Parents, 4 Aug. 2026