Not vs Ianal - What's the difference?
Other Comparisons: What's the difference?
Negates the meaning of the modified verb.
* 1973 , .
- Well, I'm not a crook. I've earned everything I've got.
- Did you take out the trash? No, I did not .
To no degree
- Not knowing any better, I went ahead.
- That is not red; it's orange.
In modern usage, the form do not ...'' (or ''don’t ...'') is preferred to ''... not'' for all but a short list of verbs (is/am/are/was/were, have/has/had, can/could, shall/should, will/would, may/might, need):
* They do not''' sow.'' (modern) vs. ''They sow '''not . (KJB)
American usage tends to prefer don’t have'' or ''haven’t got'' to ''have not'' or ''haven’t'', except when ''have'' is used as an auxiliary (or in the idiom ''have-not ):
* I don’t have a clue'' or ''I haven’t got a clue. (US)
* I haven’t a clue'' or ''I haven't got a clue. (outside US)
* I haven’t been to Spain. (universal)
The verb need is only directly negated when used as an auxiliary, and even this usage is rare in the US.
* You don’t need to trouble yourself. (US)
* You needn’t trouble yourself. (outside US)
* I don’t need any eggs today. (universal)
The verb dare can sometimes be directly negated.
* I daren't do that.
- I wanted a plate of shrimp, not a bucket of chicken.
- He painted the car blue and black, not solid purple.
* The construction “A, not B” is synonymous with the constructions “A, and not B”; “not B, but A”; and “not B, but rather A”.
Used to indicate that the previous phrase was meant sarcastically or ironically.
- I really like hanging out with my little brother watching ''Barney''... not !
- Sure, you're perfect the way you are... not !
* I don't think
Unary logical function NOT, true if input is false, or a gate implementing that negation function.
- You need a not there to conform with the negative logic of the memory chip.
A warning or caveat used when discussing matters of law.