say it: KWES-chuh-nuh-buhl
questionable is an adjective meaning "subject to question". It carries 2 recorded senses.
subject to question
“questionable motives”
“a questionable reputation”
“a fire of questionable origin”
able to be refuted
Definitions, synonyms and semantic relations for questionable 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.