if not

if that is not [the case]; if that is not so. If not cleaned, the clock will stop running. He should be here at noon. If not, we will eat without him.

Common Names:

Name	Pronounced	Usage
Eutychos	-	Ancient Greek, Biblical Greek
Bakr	-	Arabic
Ariadne	[.æri'ædni]
Chase	[tʃeis]
Nikanor	-	Ancient Greek
Erich	E-rikh	German