English Thesaurus

Synonyms of 'deficiency'

(noun) 
Definition
a lack or shortage
They did tests for signs of vitamin deficiency.
Synonyms
lack
Despite his lack of experience, he got the job.
,
want
The men were daily becoming weaker for want of rest.
,
deficit
They're ready to cut the budget deficit for the next fiscal year.
,
absence
In the absence of a will, the courts decide who the guardian is.
,
shortage
There's no shortage of ideas.
,
deprivation
Millions suffer from sleep deprivation caused by long work hours.
,
inadequacy
the inadequacy of the water supply
,
scarcity
an ever-increasing scarcity of water
,
dearth
a dearth of resources
,
privation (formal)
They endured years of privation during the war.
,
insufficiency
Anaemia is due to insufficiency of iron.
,
scantiness
Opposites
(noun) 
Definition
the state of being deficient
the most serious deficiency in their air defence
Synonyms
failing
He had invented an imaginary son, in order to make up for his real son's failings.
,
fault
His manners always made her blind to his faults.
,
weakness
His main weakness was his bad temper.
,
defect
The report pointed out the defects in the present system.
,
flaw
The only flaw in his character is a short temper.
,
drawback
The only drawback was that the apartment was too small.
,
shortcoming
His book has its shortcomings.
,
imperfection
He concedes that there are imperfections in the socialist system.
,
frailty
She is aware of his faults and frailties.
,
demerit

Additional synonyms

in the sense of absence
Definition
the fact of being without something
In the absence of a will, the courts decide who the guardian is.
Synonyms
privation (formal),
unavailability,
nonexistence
in the sense of dearth
Definition
an inadequate amount
a dearth of resources
Synonyms
paucity (formal),
sparsity,
scantiness,
exiguousness
in the sense of defect
Definition
an imperfection or blemish
The report pointed out the defects in the present system.

See related content

NEW from Collins!
NEW from Collins!
English Word Lists
English Word Lists
Latest Word Submissions
Latest Word Submissions
Easy Learning English Grammar
Easy Learning English Grammar
COBUILD Grammar Patterns
COBUILD Grammar Patterns
Word Lover's Blog
Word Lover's Blog
Online Scrabble Checker
Online Scrabble Checker
The Paul Noble Method
The Paul Noble Method

Video: pronunciation of 'deficiency'

Source

Thesaurus for deficiency from the Collins English Thesaurus
Life on the edge
The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Indulge your adventurous spirit by exploring some associated ‘extreme’ vocabulary. Will you have the survival skills to master our quiz?
Read more
Study guides for every stage of your learning journey
Whether you're in search of a crossword puzzle, a detailed guide to tying knots, or tips on writing the perfect college essay, Harper Reference has you covered for all your study needs.
Read more
Create an account and sign in to access this FREE content
Register now or login in to access