say it: DAY-too-day
day-to-day is an adjective meaning "of or belonging to or occurring every day". It is pronounced /ˈdeɪtuˌdeɪ/ — DAY-too-day. It carries one recorded sense.
of or belonging to or occurring every day
“daily routine”
“a daily paper”
Definitions, synonyms and semantic relations for day-to-day come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.