17 day by day synonyms include gradually, bit by bit, by degrees, by stages, inchmeal, inch by inch, little by little, and slowly but surely. Day by day is a noun, and its antonyms are all at once and sporadically. Here are some additional synonyms for "day by day" with example sentences.
17 other ways to say day by day.
day by day, their bond grew stronger.
He is improving his skills day by day through practice.
She is recovering from her illness day by day.
The garden is growing more beautiful day by day.