Found 20 synonyms
Synonyms:
tricky, not easy, troublesome, uphill.Synonyms:
rough, hardy.Synonyms:
bitter, stern.Synonyms:
firm.Synonyms:
tight, unyielding, inflexible, steadfast.Synonyms:
adamant.Synonyms:
severe, fierce, brutal, cruel, violent, formidable, dire, ruthless, callous, grievous, oppressive.Synonyms:
severely, brutally.Synonyms:
laborious, strenuous, toilsome, gruelling.Synonyms:
intensive.Synonyms:
sturdy, rugged.Synonyms:
rigorous, exacting, austere.Synonyms:
persistent.Synonyms:
zealous.Synonyms:
stiffly, sternly.Synonyms:
backbreaking.