adjective
Synonyms: hard 6, arduous, difficile, effortful, labored, laborious, operose, strenuous, toilsome, uphill
Related Word: problem, problematic
Idioms: easier said than done, no picnic, tough sledding
Antonyms: simple
adjective
Synonyms: hard 6, arduous, difficile, effortful, labored, laborious, operose, strenuous, toilsome, uphill
Related Word: problem, problematic
Idioms: easier said than done, no picnic, tough sledding
Antonyms: simple
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003