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

At the center of the narrative is the theme of parenthood, explored through the eyes of someone who chooses to give it up out of sheer fear and inadequacy. — Ed Meza, Variety, 23 July 2026

The Canadian catastrophe highlighted the inadequacies of the current system of supply and the lack of American credit. — Sarah M.s. Pearsall, The Conversation, 2 July 2026

The West Indies made 125-7 and the inadequacy of that total was exposed by Australia hunting it down with seven overs to spare. — ABC News, 30 June 2026

Connecting the Orioles’ fielding inadequacies in the majors directly to their lack of attention to defense in the minors would be a stretch; Rutschman, Henderson and Cowser all came up through their system. — Ken Rosenthal, New York Times, 18 June 2026