# deficiently

**Pronunciation:** /dɪˈfɪʃəntli/ · dih-FISH-unt-lee

**CEFR level:** C1

**Part of speech:** adverb

## Meaning

In a way that shows a lack of something necessary or desirable; inadequately or incompletely.

## Examples

- The report was deficiently researched, missing key data.
- He performed deficiently on the exam due to lack of preparation.
- The building's insulation was deficiently installed, leading to high energy costs.

## Synonyms

- inadequately — Lacking the necessary quality or quantity.
- insufficiently — Not enough for a particular purpose.
- poorly — In a way that is not good or effective.
- scarcely — Almost not; only just.

## Antonyms

- adequately — Sufficiently for a particular purpose.
- sufficiently — To a degree that is enough.
- fully — Completely or to the greatest possible degree.

## Common patterns

- deficiently researched — Carried out with a lack of thoroughness or necessary information. — The article was deficiently researched and relied on outdated sources.
- performed deficiently — To do something not as well as expected or required. — The athlete performed deficiently in the final race due to an injury.
- deficiently supplied — Provided with less than the amount needed. — The troops were deficiently supplied during the long winter campaign.

Canonical URL: https://anaversity.com/dictionary/english/deficiently

[Browse the English learner dictionary](https://anaversity.com/dictionary/english)