Thesaurus.com
Dictionary.com
Definitions

deficiency

[dih-fish-uhn-see] / dɪˈfɪʃ ən si /


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.

See Examples For:

The lower concentration can cause nutrient deficiency, coupled with the reduced ability of the baby's body to absorb the nutrients, NCT said.

From BBC Aug. 16, 2026

"Abdominal obesity reduces circulating vitamin D, and that deficiency impairs the immune system, exacerbating the chronic inflammation caused by excess fat and drastically increasing the risk of mortality," Alexandre explains to Agência FAPESP.

From Science Daily Aug. 14, 2026

Their latest research shows that arginine deficiency may also weaken the immune system.

From Science Daily Aug. 3, 2026

Just about everything about testosterone is controversial, from how to define a deficiency, to what level supplementation should reach, to the potential risks of therapy.

From The Wall Street Journal Jul. 31, 2026

It wouldn’t have mattered anyway. 5-alpha-reductase deficiency syndrome is a skillful counterfeiter.

From "Middlesex: A Novel" by Jeffrey Eugenides

Some help with muscle size and strength, while others correct deficiencies in the diet.

From BBC Aug. 20, 2026

Over time, her team identified a number of serious deficiencies in the bank’s antifraud program, according to the letter.

From The Wall Street Journal Aug. 5, 2026

It may also contribute to iron or zinc deficiencies, both of which can interfere with the normal hair growth cycle.

From Science Daily Jul. 24, 2026

The BBC has found increasing numbers of people are arriving at hospitals across the South East either malnourished or with nutrient deficiencies.

From BBC Jul. 21, 2026

Whatever was her own in the house, everything which she had acquired aside from her husband’s bounty, she caused to be transported to the other house, supplying simple and meager deficiencies from her own resources.

From "The Awakening" by Kate Chopin




Vocabulary lists containing deficiency


Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training