day in, day out

adverb

Every day; daily; constantly or continuously (especially, of something that has become routine or monotonous).

“Even if you like peanut butter sandwiches, eating the same sandwiches day in, day out will get old.”

Meanings

adverb

alternative day-in-day-out

  1. idiomaticEvery day; daily; constantly or continuously (especially, of something that has become routine or monotonous).

    Even if you like peanut butter sandwiches, eating the same sandwiches day in, day out will get old.

    1 more example

    There were derailments happening day in and day out, due in part to 'shunting mishaps' but more frequently involving wagons in freight trains due to a combination of poor track and speed.

    2022 January 26, John Crosse, “When the tide turned to a safer railway...”, in RAIL, number 949, page 52

    Synonyms: day after day

Synonyms & antonyms

adverbEvery day; daily; constantly or continuously (especially, of something that has become routine or monotonous).

Translations

Chinese Mandarin 日復一日 /日复一日
  • 日復一日 /日复一日 (rìfùyīrì)every day
Danish dag ind og dag ud, dag ud og dag ind
  • dag ind og dag udevery day
  • dag ud og dag indevery day
  • dag efter dagevery day
Dutch dagdagelijks, dag in dag uit
  • dagdagelijksevery day
  • dag in dag uitevery day
  • dag na dagevery day
Finnish päivästä toiseen, päivästä päivään
  • päivästä toiseenevery day
  • päivästä päiväänevery day
French jour après jour
  • jour après jourevery day
German Tag für Tag, tagtäglich
  • Tag für Tagevery day
  • tagtäglichevery day
  • tagein tagausevery day
Greek μέρα μπαίνει, μέρα βγαίνει
  • μέρα μπαίνει, μέρα βγαίνει (méra baínei, méra vgaínei)every day
Hungarian nap mint nap, éjjel-nappal
  • nap mint napevery day
  • éjjel-nappalevery day
  • nap nap utánevery day
  • napról napraevery day
  • megállás nélkülevery day
Icelandic daginn út og daginn inn, daginn út og inn
  • daginn út og daginn innevery day
  • daginn út og innevery day
Irish Domhnach is dálach
  • Domhnach is dálachevery day
Italian giorno dopo giorno
  • giorno dopo giornoevery day
Japanese 毎日毎日, 明けても暮れても
  • 毎日毎日 (mainichi-mainichi)every day
  • 明けても暮れても (aketemo-kuretemo)every day
Korean 하루하루, 나날이
  • 하루하루 (haruharu)every day
  • 나날이 (nanari)every day
Polish dzień po dniu
  • dzień po dniuevery day
Portuguese todo dia
  • todo diaevery day
Russian день за днём, и́зо дня́ в де́нь
  • день за днём (denʹ za dnjom)every day
  • и́зо дня́ в де́нь (ízo dnjá v dénʹ)every day
Spanish día a día, día sí, día también
  • día a díaevery day
  • día sí, día tambiénevery day
Swedish dag in och dag ut
  • dag in och dag utevery day
Cite this entry
APA

day in, day out. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/day%20in%2C%20day%20out

MLA

“day in, day out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/day%20in%2C%20day%20out. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “day in, day out,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/day%20in%2C%20day%20out.

Source: day in, day out on Wiktionary, CC BY-SA 4.0.