not

108 ENTRIES FOUND:
not /ˈnɑːt/ adverb
not
/ˈnɑːt/
adverb
Britannica Dictionary definition of NOT
1 
a  — used to form the negative of modal verbs (such as “should” and “could”) and auxiliary verbs (such as “do” and “have”)
b  — used before a verb or clause to make it negative or give it an opposite meaning
— see also not to mention at 1mention
2 
a  — used with a word or phrase to make it negative or give it an opposite meaning
— see also not a few at 1few
b  — used with a negative word to make a positive statement
c  informal + humorous — used humorously at the end of a positive statement to show that you really meant the opposite
3 
: less or fewer than
4 
— used to refer to a possible situation, condition, etc., that is different from or opposite to another situation, condition, etc.
— often used in the phrase or not
5 
— used to give a negative answer to a question

as like as not

or like as not
— see 6like

more often than not

: happening more than half the time

not a/one

: no thing or person

not that

— used to say that something said before is not important