Sinonim problematical

English Thesaurus

1. making great mental demands; hard to comprehend or solve or believe (adj.all)

similar	:	difficult, hard,
definition	:	not easy; requiring great physical or mental effort to accomplish or comprehend or endure (adj.all)

2. open to doubt or debate (adj.all)

similar	:	questionable,
definition	:	subject to question (adj.all)

3. making great mental demands; hard to comprehend or solve or believe (adj.all)

derivation	:	formidability, toughness,
definition	:	impressive difficulty (noun.attribute)

derivation	:	complicatedness, complication, knottiness, tortuousness,
definition	:	puzzling complexity (noun.attribute)

derivation	:	job, problem,
definition	:	a state of difficulty that needs to be resolved (noun.state)

4. open to doubt or debate (adj.all)

derivation	:	problem, trouble,
definition	:	a source of difficulty (noun.cognition)

5. making great mental demands; hard to comprehend or solve or believe (adj.all)

derivation	:	formidability, toughness,
definition	:	impressive difficulty (noun.attribute)

derivation	:	complicatedness, complication, knottiness, tortuousness,
definition	:	puzzling complexity (noun.attribute)

derivation	:	job, problem,
definition	:	a state of difficulty that needs to be resolved (noun.state)

6. open to doubt or debate (adj.all)

derivation	:	problem, trouble,
definition	:	a source of difficulty (noun.cognition)