Definitely not!

and Certainly not!

No, without any doubt at all. (Compare this with Absolutely not!) Bill: Will you lend me some money? Bob: No way! Definitely not! Bob: Have you ever stolen anything? Fred: Certainly not!

Common Names:

Name	Pronounced	Usage
Neifion	-	Welsh
Bernard	bər-NAHRD (English), BUR-nərd (English), ber-NAHR (French), BER-nahrt (Polish, Croatian)	English, French, Dutch, Polish, Croatian, Slovene, Czech, Ancient Germanic
Iefan	-	Welsh
Katz	[kæts]
Ashby	['æʃbi]
Brian	[braiən]