We found 33 dictionaries that define the word obligatory:

General (25 matching dictionaries)

1. obligatory: Longman Dictionary of Contemporary English
2. obligatory: Merriam-Webster
3. obligatory: Oxford Learner's Dictionaries
4. obligatory: American Heritage Dictionary of the English Language
5. obligatory: Collins English Dictionary
6. obligatory: Vocabulary.com
7. Obligatory, obligatory: Wordnik
8. obligatory: Cambridge Advanced Learner's Dictionary
9. obligatory: Wiktionary
10. obligatory: Webster's New World College Dictionary, 4th Ed.
11. obligatory: The Wordsmyth English Dictionary-Thesaurus
12. obligatory: Infoplease Dictionary
13. obligatory: Dictionary.com
14. obligatory: Cambridge Essential American English Dictionary
15. Obligatory: Wikipedia, the Free Encyclopedia
16. Obligatory: Online Plain Text English Dictionary
17. obligatory: Webster's Revised Unabridged, 1913 Edition
18. obligatory: Rhymezone
19. obligatory: AllWords.com Multi-Lingual Dictionary
20. obligatory: Webster's 1828 Dictionary
21. obligatory: FreeDictionary.org
22. obligatory: Mnemonic Dictionary
23. obligatory: TheFreeDictionary.com

Business (3 matching dictionaries)

24. obligatory: Merriam-Webster Legal Dictionary
25. obligatory: Legal dictionary
26. obligatory: Financial dictionary

Computing (1 matching dictionary)

27. obligatory: Encyclopedia

Medicine (3 matching dictionaries)

28. obligatory: Merriam-Webster Medical Dictionary
29. Dorland's Illustrated Medical Dictionary (No longer online)
30. obligatory: Medical dictionary

Slang (1 matching dictionary)

31. obligatory: Urban Dictionary

(Note: See obligatorily as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Imposing obligation, legally, morally, or otherwise; binding; mandatory. ▸ adjective:  Requiring a matter or obligation. Similar: mandatory, compulsory, required, necessary, de rigueur, prerequisite, indispensable, bounden, imposed, incumbent on, more... Opposite: optional, voluntary, elective, discretionary Phrases: obligatory parasite, writing obligatory, obligate parasite, obligatory parasite, obligate parasite obligatory parasite, obligatory parasite obligate parasite, more... Adjectives: first, wise, general, french, german, present, arabic, overall, russian, nigh, spanish ▸ Words similar to obligatory ▸ Usage examples for obligatory ▸ Idioms related to obligatory ▸ Wikipedia articles (New!) ▸ Popular nouns described by obligatory ▸ Words that often appear near obligatory ▸ Rhymes of obligatory ▸ Invented words related to obligatory