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adjective B2 Upper-Intermediate Common

inadequate

ihn-A-duhk-wiht
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Inadequate (adjective) means not enough, or not good enough, for what is required. Example: “The old bridge was inadequate for the amount of traffic it carried every day.”

adjective
1
Not enough, or not good enough, for what is required.
"The old bridge was inadequate for the amount of traffic it carried every day."
"The funding was inadequate to cover the school's basic needs."
"He felt inadequate compared to his more confident colleagues."

How to use inadequate

Learner’s notes

In plain EnglishNot up to the job — too little, too weak, or not skilled enough.

Common pairings
inadequate funding feel inadequate grossly inadequate
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Word forms

Plural
inadequates
Comparative
more inadequate
Superlative
most inadequate
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Fill the gap

Can you complete this real example?

The old bridge was _____ for the amount of traffic it carried every day.

Etymology

From in- plus adequate.

Related words

Rhymes for inadequate

See all rhymes for inadequate →

Frequently asked questions

What does “inadequate” mean?
The word “inadequate” means not enough, or not good enough, for what is required. In plain terms, not up to the job — too little, too weak, or not skilled enough.
How do you pronounce “inadequate”?
“Inadequate” is pronounced ihn-A-duhk-wiht (/ɪnˈædəkwɪt/ in IPA).
How do you use “inadequate” in a sentence?
Here is “inadequate” used in a sentence: “The funding was inadequate to cover the school's basic needs.”
What is the opposite of “inadequate”?
The opposite of “inadequate” — its antonyms — are abundant, adequate, enough, plentiful and sufficient.
What part of speech is “inadequate”?
“Inadequate” is an adjective.
Is “inadequate” a common word?
“Inadequate” is a fairly common word in modern English, usually learned at around the B2 level.
What is the difference between inadequate and insufficient?
Inadequate means not good enough or not sufficient in quality as well as quantity for what is required, while insufficient specifically refers to quantity, meaning there is not enough of something. Something can be inadequate because it is poorly made even if there is a large amount of it.
Is inadequate a formal word?
Inadequate is used in both formal and everyday English, appearing in professional reports, reviews, and casual conversation alike when describing something that falls short of what is needed. It is considered a neutral, standard word rather than especially formal or informal.
What is the opposite of inadequate?
The opposite of inadequate is adequate, meaning sufficient or good enough for a particular purpose. Other opposites include sufficient and satisfactory.

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