Letters that make by-and-by
a, b, d, n, y are letters that make 'by-and-by'
1 possible definitions for 'by-and-by'
Under this definition, by-and-by is a noun and has the following properties:
'by-and-by' can be a type of future, hereafter, futurity, time to come.
"he'll get around to it in the sweet by-and-by"