From Longman Dictionary of Contemporary Englishupswingup‧swing /ˈʌpswɪŋ/ noun [countable] IMPROVEan improvement or increase in the level of somethingupswing in/of an upswing in economic growth
Examples from the Corpus
upswing• Then, just as his career was heading for an upswing, Dury was diagnosed as suffering from cancer.• For most of the last six months she had seemed to be on an upswing.• And his writing took a dramatic upswing.• It was the last upswing before the onset of slump, stagnation and mass unemployment.upswing in/of• It had a greater impact on prices than previous upswings of comparable magnitude.• Exactly as had happened the year before, the major offensive was preceded by a significant upswing in fighting.• The upswing in precipitation, and the crypto-science that explained it, were exactly what was needed.From Longman Business Dictionaryupswingup‧swing /ˈʌpˌswɪŋ/ noun [countable]COMMERCE an improvement or increase in the number or level of somethingupswing inThe airline has noticed an upswing in bookings recently.an upswing in business confidence 