Find Synonyms

arduous Synonyms

Another word for arduous

Choosing another word for arduous depends on context, so the 14 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Involving or requiring strenuous effort; difficult and tiring to accomplish or endure.

Usage Example

"The researchers completed the strenuous journey across the mountain range to collect geological samples."

Strongest
strenuous
laborious
grueling
taxing
Strong
onerous
exhausting
demanding
toilsome
backbreaking
difficult

• adjective (Context 2)

Steep, lofty, and difficult to ascend (of a path, hill, or terrain).

Usage Example

"Hikers paused halfway up the steep slope to catch their breath and admire the valley below."

Strongest
steep
Strong
precipitous
uphill
rugged

Opposites of arduous

The opposite of arduous shifts depending on context. Common opposites include:

effortless
easy
level
undemanding
flat
simple
gradual
gentle
See all opposites of arduous

• Nearby Words

ardent
ardently
ardor
arduous
arduously
arduousness
are

Cite this Entry

Wordmom. (2026). Synonyms for Arduous. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/arduous
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