inadequate

adjective

in·​ad·​e·​quate (ˌ)i-ˈna-di-kwət How to pronounce inadequate (audio)
: not adequate : not enough or good enough : insufficient
inadequate equipment
also : not capable
was inadequate as a leader
inadequately adverb
inadequateness noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yet nearly six decades later, this constitutional provision has proven inadequate for the realities of modern governance, revealing dangerous gaps that leave America vulnerable during presidential health crises. Lynn Schmidt, Twin Cities, 19 Sep. 2025 Barbie Reynolds had anemia during detention, leaving her weak and frail, likely due to months of inadequate food quality and quantity, UN experts said. Mostafa Salem, CNN Money, 19 Sep. 2025 Lack of communication and trust within the family is the leading cause (60%) of wealth transfer failure and 25% is due to heirs’ inadequate preparation, knowledge and skills to manage an inheritance, the Williams study said. Medora Lee, USA Today, 18 Sep. 2025 When the data inputs that feed a model are inadequate, the model risks scaling exponentially but delivering poor performance and outputs. Gangesh Pathak, Forbes.com, 16 Sep. 2025 See All Example Sentences for inadequate

Word History

First Known Use

1671, in the meaning defined above

Time Traveler
The first known use of inadequate was in 1671

Browse Nearby Words

Cite this Entry

“Inadequate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inadequate. Accessed 24 Sep. 2025.

Kids Definition

inadequate

adjective
in·​ad·​e·​quate (ˈ)in-ˈad-i-kwət How to pronounce inadequate (audio)
: 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 How to pronounce inadequate (audio)
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

More from Merriam-Webster on inadequate

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!