We found 12 dictionaries that define the word fact of life:

General (8 matching dictionaries)

1. fact of life: Merriam-Webster
2. fact of life: American Heritage Dictionary of the English Language
3. fact of life: Collins English Dictionary
4. fact of life: Wiktionary
5. fact of life: Infoplease Dictionary
6. fact of life: Dictionary.com
7. fact of life: TheFreeDictionary.com
8. fact of life: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

9. fact of life: Legal dictionary

Computing (1 matching dictionary)

10. fact of life: Encyclopedia

Medicine (1 matching dictionary)

11. fact of life: Medical dictionary

Miscellaneous (1 matching dictionary)

12. fact of life: Idioms

Definitions from Wiktionary (fact of life) ▸ noun:  Something that cannot be avoided; a stark reality of existence. Similar: unavoidability, inevitability, accident of birth, unpreventability, hard truth, nature of the beast, fact of the matter, necessity, problem, facticity, more... Phrases: a fact of life, more... ▸ Words similar to fact of life ▸ Usage examples for fact of life ▸ Idioms related to fact of life ▸ Wikipedia articles (New!) ▸ Words that often appear near fact of life ▸ Rhymes of fact of life ▸ Invented words related to fact of life