adj.
Pronunciation: ' kwes-ch ə -n ə -b ə l, ' kwesh-, in rapid speech ' kwesh-n ə -
Function: adjective
Date: 1580
1 obsolete : inviting inquiry
2 obsolete : liable to judicial inquiry or action
3 : affording reason for being doubted, questioned, or challenged : not certain or exact : PROBLEMATIC <milk of questionable purity> <a questionable decision>
4 : attended by well-grounded suspicions of being immoral, crude, false, or unsound : DUBIOUS < questionable motives>
synonyms see DOUBTFUL
– ques · tion · able · ness noun
– ques · tion · ably \ -bl ē \ adverb