/ɪˈnʌf/
Enough has 8 different meanings across 6 categories:
an adequate quantity; a quantity that is large enough to achieve a purpose
"enough is as good as a feast"
"there is more than a sufficiency of lawyers in this country"
An instance of being sufficient, or of doing something sufficiently.
"After waiting in line for an hour, we finally had enough and decided to leave without buying anything."
In plain English: Enough is the point where you have as much of something as you need or want.
"We had enough food for everyone to eat."
Usage: Use "enough" as a noun to refer to a specific instance where something has reached a satisfactory limit, such as saying you have had "enough" of a difficult situation. This usage functions as a standalone concept representing sufficiency rather than an adjective modifying another word.
Sufficiently.
"The coffee wasn't hot enough to keep me awake during the morning meeting."
In plain English: Enough means reaching the point where you have had or done as much as is necessary or desired.
"We have enough time to finish the project before dinner."
Usage: Use "enough" after an adjective or adverb to indicate that something has reached a satisfactory level or degree. It typically follows words like "fast," "good," or "carefully" rather than appearing before them in this context.
Sufficient; all that is required, needed, or appropriate.
"We had enough food to feed everyone at the party without leaving any leftovers."
A sufficient or adequate number, amount, etc.
"We have enough flour for all three batches of cookies."
Stop! Don't do that any more!
"Stop eating the cake, you've had enough already."
The word "enough" comes from the Old English ġenōg, which originally meant "sufficient." It traveled into modern English through Middle English with its core meaning largely unchanged.