We found 25 dictionaries that define the word exhausting:

General (21 matching dictionaries)

1. exhausting: Merriam-Webster
2. exhausting: Oxford Learner's Dictionaries
3. exhausting: Collins English Dictionary
4. exhausting: Vocabulary.com
5. Exhausting, exhausting: Wordnik
6. exhausting: Cambridge Advanced Learner's Dictionary
7. exhausting: Wiktionary
8. exhausting: Infoplease Dictionary
9. Exhausting, exhausting: Dictionary.com
10. exhausting: Cambridge Essential American English Dictionary
11. Exhausting: Online Plain Text English Dictionary
12. exhausting: Webster's Revised Unabridged, 1913 Edition
13. exhausting: Rhymezone
14. Exhausting: AllWords.com Multi-Lingual Dictionary
15. exhausting: Webster's 1828 Dictionary
16. exhausting: FreeDictionary.org
17. exhausting: Mnemonic Dictionary
18. exhausting: TheFreeDictionary.com
19. exhausting: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

20. exhausting: Legal dictionary

Computing (1 matching dictionary)

21. exhausting: Encyclopedia

Medicine (1 matching dictionary)

22. exhausting: Merriam-Webster Medical Dictionary

Slang (1 matching dictionary)

23. Exhausting: Urban Dictionary

(Note: See exhaust as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Very tiring. Similar: tiring, debilitating, killing, effortful, wearing, draining, wearying, exhaustive, taxing, wearisome, more... Opposite: invigorating, refreshing, energizing Phrases: exhausting workaday routine, exhausting every possible option, exhausting work, very exhausting, more than exhausting, more... Colors:     gray,     charcoal,     taupe,     beige,     olive, more... ▸ Words similar to exhausting ▸ Usage examples for exhausting ▸ Idioms related to exhausting ▸ Wikipedia articles (New!) ▸ Popular nouns described by exhausting ▸ Words that often appear near exhausting ▸ Rhymes of exhausting ▸ Invented words related to exhausting