From Longman Dictionary of Contemporary Englishat a pushat a pushBritish English informalDIFFICULT if you can do something at a push, it will be difficult, but you will be able to do it We have room for five people, maybe six at a push. → push
Examples from the Corpus
at a push• This is something to which 70 percent of the Carter camp will likewise admit, at a push.• Paul is not very good at pushing it yet.• Michael, at a push, will admit to being the most sensible of the three. 