From Longman Dictionary of Contemporary Englishby any chanceby any chancespokenTRUE used to ask politely whether something is trueAre you Mrs Grant, by any chance? →chance
Examples from the Corpus
by any chance• Is Mr Sandsawakeby any chance?• Do you feel, by any chance, awful?• Does my right hon. Friendby any chancerecollect the averageinflationrate under the last Labour Government?• But before you call anyone, find out if by any chance he has a telephone number in Marshfield.• Is there a connection between Jack Benny and Charles Manson, by any chance?• Can anyone out there tell me what frequencyRadio 5 broadcasts on ... by any chance on shortwave?• Are they, as Private Eye might say, by any chancerelated?• I wanted to ask her if she was, by any chance, called Veronica, but I didn't dare.• Would you, by any chance, know where a pay phone is?