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

Advocates point to insufficient oversight and inadequate funding as systemic problems, while increased pet surrenders during economic downturns strain already overwhelmed rescues and shelters. —Hannah Fry, Los Angeles Times, 9 May 2026

With Teacher Appreciation Week underway nationwide, the celebration comes against a backdrop of ongoing pressures on the profession, notably teacher shortages and inadequate pay. —Jeana Fermi, ABC News, 8 May 2026

The original inspection found inadequate handwashing, bare hands, improper meat storage and no menu label indicating the risk of eating raw or undercooked food. —Eva Flowe may 5, Charlotte Observer, 5 May 2026

When financial stress, legal crisis, and inadequate mental health access converge in a household already navigating the volatility of separation, the risk of domestic violence escalates. —Earl Smith, Time, 5 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