Definitions from Wiktionary (arduous)
▸ adjective: Needing or using up much energy; testing powers of endurance.
▸ adjective: (obsolete) burning; ardent
▸ adjective: Difficult or exhausting to traverse.
arduous journey,
really arduous chore,
arduous hike,
arduous task,
long hard painful arduous,
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▸ Words similar to Arduous
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▸ Popular nouns described by Arduous
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▸ Rhymes of Arduous
▸ Invented words related to Arduous
▸ adjective: Needing or using up much energy; testing powers of endurance.
▸ adjective: (obsolete) burning; ardent
▸ adjective: Difficult or exhausting to traverse.
Similar:
laborious,
difficult,
toilsome,
grueling,
gruelling,
labourious,
backbreaking,
effortful,
strenuous,
heavy,
more...
Opposite:
Types:
Phrases:
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▸ 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