problematic
Definitions
Constitutes or presents a problem or difficulty.
Doubtful, questionable, or open to debate.
Causing or likely to cause social or political controversy.
Examples
The company's decision to ignore safety regulations proved to be highly problematic for its reputation.
Relying on a single source of data for such a complex project is inherently problematic.
Synonyms
troublesome difficult challenging questionable unsettled controversial vexing
Antonyms
straightforward simple uncomplicated clear manageable certain easy