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

At the root of the crisis is inadequate laws to punish offenders and a poor judicial system, activists say. — ABC News, 15 Oct. 2026

Along with everyone else in healthcare, I was exposed to the virus every day, all day, with unforgivably inadequate personal protective equipment. — Literary Hub, 15 Oct. 2026

Kelly wrote that the Justice Department's presentation was inadequate to make a compelling case. — David Folkenflik, NPR, 14 Oct. 2026

While national and global economic trends drive rising costs, inadequate policies and investments can contribute to the strain on families. — Charlotte Observer, 14 Oct. 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