inadequate

adjective

in·​ad·​e·​quate (ˌ)i-ˈna-di-kwət 

: not adequate : not enough or good enough : insufficient

inadequate equipment

also : not capable

was inadequate as a leader

inadequately adverb

inadequateness noun

Synonyms of inadequate

• lacking
• insufficient
• scarce
• low

Examples of inadequate in a Sentence

These supplies are inadequate to meet our needs.

We were given very inadequate information.

I felt inadequate to the task.

Her brother's success and popularity always made her feel inadequate.

Recent Examples on the Web

In February, the FDA initially declined Moderna’s request for review of the new flu vaccine, citing inadequate trials despite previous conflicting feedback within the agency. — Elise Haulund, CNN Money, 6 Aug. 2026

On the first day of the hearing, July 22, Salah Sarsour's brother, Mohammad Sarsour, testified that his brother appeared gaunt and dirty and complained of pain and inadequate medical care during his detention in an Israeli jail. — CBS News, 5 Aug. 2026

In the eyes of many groups who provide assistance to the city’s homeless residents, Atlanta’s response to the broiling temperatures was woefully inadequate. — Drew Kann, AJC.com, 4 Aug. 2026

In a statement describing Abbott’s pause as inadequate, Hinojosa called for Abbott to issue a full moratorium on data center development until the state legislature can pass stricter rules. — Jeremy Hsu, ArsTechnica, 4 Aug. 2026

Word History

First Known Use

1671, in the meaning defined above

Rhymes for inadequate

• adequate

Kids Definition

inadequate

adjective

in·​ad·​e·​quate (ˈ)in-ˈad-i-kwət 

: not adequate : not enough or not good enough

an inadequate supply of food

inadequately adverb

Medical Definition

inadequate

1 of 2 adjective

in·​ad·​e·​quate -i-kwət 

1

: not adequate : deficient

an inadequate dose

inadequate perfusion

inadequate diets

2

: lacking the capacity for psychological maturity or adequate social adjustment

an inadequate personality

inadequately adverb

inadequate

2 of 2 noun

: one who is inadequate especially in terms of social adjustment