"is only not" is not correct usage in written English.
In some cases, you may be able to use it as an informal expression, such as in speech or casual writing. For example, you might say, "I think this is only not the right thing to do."
"They are our brothers, there is only not peace because of politics," he said, added that large numbers of al-Nusra fighters defected to IS after the airstrikes started.
("To be poor, in the epick language, is only not to command the wealth of nations").
Zero-tolerance of tights is only not annoying if you are a diehard fashionista, the type that wears strange trouser shapes and weird shoes and goofball jewellery.
In its theory of error, these philosophers maintained an uncompromising realism by holding that the object of error is still real but is only not here and now.
And as this neat little graph produced by Grayden Reece-Smith, a Cambridge graduate, shows, there seems to be a distinct relationship between the amount of wine supplied by Cambridge colleges and academic performance.Yet as Samuel Johnson once observed, for all that wine ensures that "every man feels himself happy", that man "is not improved; he is only not sensible of his defects".
This congruence is only not met for the clade formed by the strains collected from S. acaulis as observed previously [ 29].
Aristotle suggested that, to Parmenides, Being must be all that there is (because other than Being there is only Not-Being), and there can therefore exist no second other thing.
It is only wood, not life.
This is only for emergencies, not burglary.
He's only 48 — not retirement age.
It's only obvious, isn't it?
