Showing results for deficiencies. Search instead for immunodeficiencies.

deficiencies

NOUN

imperfection, inadequacy

Synonyms

STRONGEST

dearth defect failing failure fault flaw frailty glitch insufficiency lack scarcity shortage shortcoming weakness

STRONG

absence bug defalcation default deficit demerit dereliction loss need neglect paucity privation scantiness sin want

WEAK

inability to hack it insufficience

Antonyms

STRONGEST

abundance advantage enough excess perfection plenty strength strong point success sufficiency surplus

STRONG

accomplishment achievement

WEAK

adequacy faultlessness satisfaction superfluity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Re-emergence speaks to a failure to address security deficiencies on land and to tackle piracy’s underlying causes.”

From Barron's • May 4, 2026

They were so efficient despite their obvious deficiencies, one has to wonder … could this one game blend into several games?

From Los Angeles Times • Apr. 19, 2026

He ticked through each, using derisive language to highlight what he viewed as their past failings and deficiencies.

From BBC • Apr. 10, 2026

A separate 2019 report from agency’s inspector general found that about 20% of Medicare-certified hospice agencies had deficiencies severe enough to pose serious safety risks to patients, such as unmanaged pain or neglect.

From MarketWatch • Mar. 24, 2026

They would file around the table, presenting their deficiencies, telling of their addictions, their cheating hearts.

From "Middlesex: A Novel" by Jeffrey Eugenides