Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun by-and-by

1 sense of by-and-by

Sense 1
by-and-by -- (an indefinite time in the future; "he'll get around to it in the sweet by-and-by")
       => future, hereafter, futurity, time to come -- (the time yet to come)

Synonyms of adv by-and-by

1 sense of by and by

Sense 1
by and by, later -- (at some eventual time in the future; "By and by he'll understand"; "I'll see you later")