enough

1 enough /ɪˈnʌf/ adjective
1 enough
/ɪˈnʌf/
adjective
Britannica Dictionary definition of ENOUGH
: equal to what is needed
2 enough /ɪˈnʌf/ adverb
2 enough
/ɪˈnʌf/
adverb
Britannica Dictionary definition of ENOUGH
always used after an adjective, adverb, or verb
1 
: in the amount needed : to the necessary degree
2 
: to a degree that is not very high or very low : to a reasonable extent

fair enough

— see 1fair

sure enough

— see 2sure
3 enough /ɪˈnʌf/ pronoun
3 enough
/ɪˈnʌf/
pronoun
Britannica Dictionary definition of ENOUGH
: an amount that provides what is needed or wanted : an amount that is enough

enough is enough

— used to say that you want something to stop because you can no longer accept or deal with it

enough said

informal
— used in speech to say that you understand what someone is telling you and no further information is needed