Question 1 · Quick check
deficient
/dɪˈfɪʃənt/
adjective · noun
Türkçe translations
Translating…
In plain English
- 01
adjective
Lacking something needed or expected.
- 02
adjective
Extra detailInsufficient or inadequate in amount.
Examples
English is a very deficient language in this area.
The young engineer was deficient in experience.
At a glance
Sits at C1 on the CEFR scale
- Senses
- 5
- Parts of speech
- 2
- Citations
- 1
- Synonyms
- 5
Deep Dive
adjective
Extra meaningsOf a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n)<n.
Lacking something essential; often construed with in.
noun
Extra meaningA person who is deficient.
More examples
In contextThe structure is deficient in harmony.
Apothecia lecanoroid; multilocular; each cell containing a single theke; paraphyses deficient.
They were deficient in social skills.
Related
Quick test
Two questions on this entry. Nothing is scored.
Practise this properly in the app, where the word comes back before you forget it.
Nearby
Origin
adjective
From Latin deficiens, present participle of deficere (“to lack, fail, be wanting”); see defect.