Inadequate vs Insufficient vs Tom's score simply isn't high enough

When to use each in English, with meaning, register, and examples.

Inadequate

Top 2,000 (common)C1adjective

Insufficient

Top 5,000 (fairly common)C1adjective

Tom's score simply isn't high enough

Top 5,000 (fairly common)
Most common: Inadequate
 InadequateInsufficientTom's score simply isn't high enough
Pronunciation🇬🇧 /["/ɪnˈædɪkwət/"]/🇺🇸 /["/ɪnˈædɪkwət/"]/🇬🇧 /["/ˌɪnsəˈfɪʃnt/"]/🇺🇸 /["/ˌɪnsəˈfɪʃnt/"]/🇬🇧 //tɒmz skɔː sɪmpli ɪznt haɪ ɪˈnʌf//🇺🇸 //tɑmz skɔr ˈsɪmpli ˈɪznt haɪ ɪˈnʌf//
Meaningnot enough; not good enoughnot enoughTom's score is not good enough.
ExampleThe resources provided were inadequate to complete the project on time.insufficient timeTom's score simply isn't high enough to pass the exam this time.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 5,000 (fairly common)Top 5,000 (fairly common)
CEFR levelC1C1-
Part of speechadjectiveadjective
Collocationsappear, be, look, deeply, grossly, hopelessly, at, for, be, feel, seem, extremely, fairly, very, tobe, prove, quite, wholly, simply, forhigh enough score, not high enough, score simply, Tom's score, enough to pass
Antonymsadequate, sufficient, competentsufficient, adequate, ample-
Common mistakesConfused with 'sufficient' — 'inadequate' means not enough, while 'sufficient' means enough., Using 'inadequate' with uncountable nouns incorrectly — it should be used with nouns that can be shown to be lacking., Overusing the word in casual conversation — it's more formal and should be reserved for specific situations.Confused with 'sufficient' which means enough., Omitting the context, e.g., saying 'insufficient' without stating what is insufficient., Using inappropriately in informal settings.Using 'high' instead of 'enough' at the end of the sentence., Confusing 'score' with 'points'., Omitting 'simply' which changes the meaning.
Usage notesUse 'inadequate' to describe something that fails to meet a requirement or standard. Suitable in both spoken and written contexts, though mostly neutral, avoid in highly informal situations.Used in formal contexts, such as reports or academic writing. Avoid in casual conversations. Common in financial or resource-related discussions.Use this phrase in everyday conversation to express that something does not meet a required level. It is informal and can be used in both written and spoken forms.

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Tom's score simply isn't high enough

Frequently asked questions: Inadequate vs Insufficient vs Tom's score simply isn't high enough

What's the difference between Inadequate, Insufficient, and Tom's score simply isn't high enough?

Inadequate: not enough; not good enough Insufficient: not enough Tom's score simply isn't high enough: Tom's score is not good enough.

Which is more common: Inadequate, Insufficient, and Tom's score simply isn't high enough?

Inadequate is the most common in everyday English.

Can you show an example of each?

Inadequate: The resources provided were inadequate to complete the project on time. Insufficient: insufficient time Tom's score simply isn't high enough: Tom's score simply isn't high enough to pass the exam this time.

Can I use Inadequate, Insufficient, and Tom's score simply isn't high enough interchangeably?

Not always. Inadequate, Insufficient, and Tom's score simply isn't high enough are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.