Synonyms of insufficiency

insufficiency

noun

ˌin(t)-sə-ˈfi-shən(t)-sē 

1

as in shortage

a falling short of an essential or desirable amount or number

dealt with the school's insufficiency of art supplies by buying materials out of her own pocket

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

2

as in inability

the lack of sufficient ability, power, or means

her alleged insufficiency for the job

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of insufficiency

There’s a temptation to call such men too big for their boots, but Henri is too small for his, and Arlaud is so good at projecting that insufficiency, yet still being riveting to watch. — Jessica Kiang, Variety, 20 May 2026

The statement, however, does note some insufficiencies occurred on the part of its board. — Brian Boucher, ARTnews.com, 19 May 2026

Often times there are provisions in a divorce agreement about insufficiency of life insurance including a claim against his estate. — Wendy Hickey, Boston Herald, 26 Apr. 2026

But there’s another common culprit that most women don’t think about—vitamin D insufficiency or deficiency. — Helen Carefoot, Flow Space, 24 Apr. 2026