Usually means: Demanding great effort, very challenging.
Definitions Related words Phrases (New!) Mentions History Colors (New!)
We found 29 dictionaries that define the word arduous:

General (26 matching dictionaries)
  1. arduous: Merriam-Webster
  2. arduous: Oxford Learner's Dictionaries
  3. arduous: American Heritage Dictionary of the English Language
  4. arduous: Collins English Dictionary
  5. arduous: Vocabulary.com
  6. Arduous, arduous: Wordnik
  7. arduous: Cambridge Advanced Learner's Dictionary
  8. arduous: Wiktionary
  9. arduous: Webster's New World College Dictionary, 4th Ed.
  10. arduous: The Wordsmyth English Dictionary-Thesaurus
  11. arduous: Infoplease Dictionary
  12. Arduous, arduous: Dictionary.com
  13. arduous: Online Etymology Dictionary
  14. arduous: Cambridge Essential American English Dictionary
  15. Arduous: Online Plain Text English Dictionary
  16. arduous: Webster's Revised Unabridged, 1913 Edition
  17. arduous: Rhymezone
  18. arduous: AllWords.com Multi-Lingual Dictionary
  19. arduous: Webster's 1828 Dictionary
  20. arduous: FreeDictionary.org
  21. arduous: Mnemonic Dictionary
  22. arduous: TheFreeDictionary.com
  23. arduous: Longman Dictionary of Contemporary English
  24. arduous: Merriam-Webster

Business (1 matching dictionary)
  1. arduous: Legal dictionary

Computing (1 matching dictionary)
  1. arduous: Encyclopedia

Slang (1 matching dictionary)
  1. arduous: Urban Dictionary

(Note: See arduously as well.)

Definitions from Wiktionary (
)
American English Definition British English Definition
adjective:  Needing or using up much energy; testing powers of endurance.
adjective:  (obsolete) burning; ardent
adjective:  Difficult or exhausting to traverse.

Similar:

Opposite:

Types:

Phrases:

Colors:
    charcoal,     slate gray,     deep brown,     midnight blue,     forest green, more...
Word origin

Words similar to arduous

Usage examples for arduous

Idioms related to arduous

Wikipedia articles (New!)

Popular nouns described by arduous

Words that often appear near arduous

Rhymes of arduous

Invented words related to arduous

Similar:

Opposite:

Types:

Phrases:

Colors:
    charcoal,     slate gray,     deep brown,     midnight blue,     forest green, more...



Writing poetry or lyrics? You can find related words that match a given meter.
This feature is permanently available from the "Related words" tab and from the Thesaurus.





Home   Reverse Dictionary / Thesaurus   Datamuse   Word games   Spruce   Feedback   Dark mode   Help


Threepeat

Find common ground

Play Now

Compound Your Joy

Find connection

Play Now

Pandergram

Foster inclusion

Play Now