We found 28 dictionaries that define the word tedium:

General (25 matching dictionaries)

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

Business (1 matching dictionary)

24. tedium: Legal dictionary

Computing (1 matching dictionary)

25. tedium: Encyclopedia

Medicine (1 matching dictionary)

26. tedium: Medical dictionary

(Note: See tediums as well.)

Definitions from Wiktionary ( ) ▸ noun:  Boredom or tediousness; ennui. Similar: boredom, ennui, tediousness, tiresomeness, taedium, tediosity, boredness, boringness, deadliness, dullness, more... Opposite: excitement, stimulation, interest, engagement, enthusiasm Types: boredom, ennui, monotony, sameness, stagnation, more... Adjectives: sheer, such, much, intolerable, endless, daily, long, very, infinite, less, deadly Colors:     beige,     gray,     taupe,     olive,     mauve, more... ▸ Word origin ▸ Words similar to tedium ▸ Usage examples for tedium ▸ Idioms related to tedium ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tedium ▸ Words that often appear near tedium ▸ Rhymes of tedium ▸ Invented words related to tedium