# month in, month out

idiom

Source: https://englishreference.com/idiom/month-in-month-out
Updated: 2026-08-10

## Meaning

During every month; continuously.

## Examples

- He pays his rent month in, month out without fail.
- She has worked at the same office, month in, month out, for over twenty years.
- Month in, month out, the dedicated researcher meticulously recorded the changing tides, hoping to find a pattern in the data.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.