We found 10 dictionaries that define the word week in week out:

General (9 matching dictionaries)

1. week in, week out: Merriam-Webster
2. week in, week out: Oxford Learner's Dictionaries
3. week in, week out: Wordnik
4. week in, week out: Cambridge Advanced Learner's Dictionary
5. Week in, week out: Dictionary.com
6. week in week out: FreeDictionary.org
7. Week in, week out: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

8. week in, week out: Idioms

▸ Words similar to week in week out ▸ Usage examples for week in week out ▸ Idioms related to week in week out ▸ Wikipedia articles (New!) ▸ Words that often appear near week in week out ▸ Rhymes of week in week out ▸ Invented words related to week in week out