We use “enough” after an adjective to say that something meets a need or requirement.
It means: sufficient, acceptable, or not too little.
Word Order
adjective + enough
(Not: enough good, enough fast, etc.)
Examples
good enough – The quality is OK.
This chair is good enough to use.
fast enough – The speed is OK.
She is running fast enough to win.
smart enough – The intelligence is OK.
He is smart enough to solve the problem.
Negative Form
Use not + adjective + enough to say something is not sufficient.
This bag is not big enough.
I am not warm enough in this jacket.
Why it matters
Using “enough” correctly helps you sound more natural in English.
It also helps you express ability, quality, and limits clearly.





