We found 20 dictionaries that define the word mitzvah:

General (17 matching dictionaries)

1. mitzvah: Merriam-Webster
2. mitzvah: Oxford Learner's Dictionaries
3. mitzvah: American Heritage Dictionary of the English Language
4. mitzvah: Collins English Dictionary
5. mitzvah: Vocabulary.com
6. Mitzvah, mitzvah: Wordnik
7. mitzvah: Wiktionary
8. mitzvah: Webster's New World College Dictionary, 4th Ed.
9. mitzvah: The Wordsmyth English Dictionary-Thesaurus
10. mitzvah: Dictionary.com
11. mitzvah: Online Etymology Dictionary
12. mitzvah: Cambridge Essential American English Dictionary
13. Mitzvah: Wikipedia, the Free Encyclopedia
14. mitzvah: Rhymezone
15. mitzvah: FreeDictionary.org
16. mitzvah: Mnemonic Dictionary
17. mitzvah: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

18. mitzvah: A Word A Day

Religion (1 matching dictionary)

19. Glossary of spiritual and religious terms (No longer online)

Slang (1 matching dictionary)

20. Mitzvah: Urban Dictionary

(Note: See mitzvahs as well.)

Definitions from Wiktionary (mitzvah) ▸ noun:  (Judaism) Any of the 613 commandments of Jewish law. ▸ noun:  (Judaism) An act of kindness, a good deed. Similar: mitsvah, mitzva, bar mitzvah, bat mitzvah, mikveh, chovah, tzedakah, bas mitzvah, machzor, yom tov, more... Opposite: aveirah, sin, transgression Phrases: bar mitzvah, bat mitzvah, bas mitzvah, bath mitzvah, bark mitzvah, more... Adjectives: great, first, important, own, particular, positive, special, bat, single, second, big Colors:     blue,     white,     gold,     silver,     teal, more... ▸ Word origin ▸ Words similar to mitzvah ▸ Usage examples for mitzvah ▸ Idioms related to mitzvah ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mitzvah ▸ Words that often appear near mitzvah ▸ Rhymes of mitzvah ▸ Invented words related to mitzvah