We found 29 dictionaries that define the word sustenance:

General (25 matching dictionaries)

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

Business (1 matching dictionary)

24. sustenance: Legal dictionary

Computing (1 matching dictionary)

25. Sustenance: Encyclopedia

Medicine (2 matching dictionaries)

26. online medical dictionary (No longer online)
27. sustenance: Medical dictionary

(Note: See sustenances as well.)

Definitions from Wiktionary ( ) ▸ noun:  Something that provides support or nourishment. Similar: sustentation, sustainment, maintenance, upkeep, support, livelihood, keep, living, nourishment, bread and butter, more... Opposite: starvation, malnutrition, undernourishment Types: food, nourishment, provisions, nutriment, aliment, more... Phrases: give sustenance, divine sustenance, providing no shelter or sustenance, opposite of sustenance, provide with sustenance, more... Adjectives: spiritual, daily, own, emotional, physical, little, human, only, economic, necessary, intellectual Colors:     green,     brown,     beige,     olive,     wheat, more... ▸ Word origin ▸ Words similar to sustenance ▸ Usage examples for sustenance ▸ Idioms related to sustenance ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sustenance ▸ Words that often appear near sustenance ▸ Rhymes of sustenance ▸ Invented words related to sustenance