Synonyms for arduous

Found 5 synonyms

laborious (adjective)

Synonyms:

toilsome, cumbersome, effortful.
difficult (adjective)

Synonyms:

strenuous, hard, formidable, severe, stressful, intense.
exhausting (adjective)

Synonyms:

gruelling, wearisome.
grueling (noun)
tough (noun)

Synonyms:

heavy.

More arduous synonyms

thorny, grievous, harsh, tight, uneasy, serious, hard time, grave, uphill, tedious, tiresome, tiring, onerous, burdensome, intensive, easy, toil, bumpy,
Synonyms "arduous" in the picture
Synonyms arduous