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

Road accidents kill thousands in Bangladesh every year, due to a combination of poor road conditions, unskilled driving and inadequate oversight of traffic rules. —Adam England, PEOPLE, 25 May 2026

Shaw said roles and responsibilities in the division were not clear and oversight was inadequate, leading to a failure to track payments to the department or issue invoices to users of park facilities. —Dylan Lysen, Kansas City Star, 22 May 2026

Israel’s traditional response to the events of 1948—that the displacement of Palestinians was a tragic consequence of a war Arab states started, and that it was paralleled by the expulsion of roughly 850,000 Jews from Arab countries—is true, but inadequate. —Michael W. Sonnenfeldt, The Atlantic, 20 May 2026

Indeed, in 1962 the Indian Claims Commission found the consideration paid under the Brunot Agreement so inadequate as to be unconscionable. —Shaun Chapoose, Denver Post, 20 May 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