say it: prah-bluh-MAT-i-kuhl
problematical is an adjective meaning "open to doubt or debate". It carries 2 recorded senses.
open to doubt or debate
“If you ever get married, which seems to be extremely problematic”
making great mental demands; hard to comprehend or solve or believe
“a baffling problem”
“I faced the knotty problem of what to have for breakfast”
“a problematic situation at home”
Definitions, synonyms and semantic relations for problematical come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.