But if

unless.
- Chaucer.

See also: But

References in classic literature ?
But if these secret golden keys did seem to open in him his own secret golden treasuries, yet did his breath upon them prove but tarnishing.
But if you was to go to Europe you'd see a raft of 'em hopping around.
But if one looks at men in all ways--are there many good ones left?
But if you want to know, we really have something in common.
Oh, it is the saddest tense," sighed Rebecca with a little break in her voice; "nothing but IFS, IFS, IFS
PR guru Max Clifford said Henson could build a massive fan base: "It's all ifs, buts and maybes but if he does really well, not just in terms of dancing on Strictly, but also in terms of personality, it will give him a massive shop window.
But if we end up with an Easter deluge, the fair could end up stuck there and, quite possibly, sinking.
The ground is drying out all the time at Sandown, but if any more rain arrives, at least we know he'll be all right under the most extreme conditions
A FEW ifs and buts here, but if Sutton is fit and plays in midfield behind Larsson and Hartson, he will provide the Rangers skipper with some real problems.
BUT if there is rain, the entire meeting could be in trouble.
I know you can't think ifs and buts - but if I hadn't made that eight,who knows what I would have done
It assumes the Government won't have to borrow a penny but if the economy stagnates next year he could be pounds 20billion out of pocket.