deficiency
nounUK /dɪˈfɪʃ.ən.si/
US /dɪˈfɪʃ.ən.si/
A deficiency is when something is missing or not enough.
The doctor said the tired boy had a deficiency of iron in his blood.
RELATED WORDS
OTHER MEANINGS
2. A fault or weakness in something, such as a plan or a person's character.
The teacher found a deficiency in the team's science project.
3. The amount by which something is less than what is needed or expected.
The store had a deficiency of ten dollars in its cash register.
4. A lack of a vitamin or mineral that the body needs to stay healthy.
Eating fruit helps prevent a vitamin deficiency.
5. A failure to meet a required standard or rule.
The building was closed because of a safety deficiency.