[ kwes-chuh-nuh-buhl ]
/ ˈkwɛs tʃə nə bəl /


of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
open to question or dispute; doubtful or uncertain: a statement of questionable accuracy.
open to question as to being of the nature or value suggested: a questionable privilege.



Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
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Origin of questionable

First recorded in 1580–90; question + -able

OTHER WORDS FROM questionable

ques·tion·a·ble·ness, ques·tion·a·bil·i·ty, nounques·tion·a·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for questionability

/ (ˈkwɛstʃənəbəl) /


(esp of a person's morality or honesty) admitting of some doubt; dubious
of disputable value or authoritya questionable text

Derived forms of questionable

questionableness or questionability, nounquestionably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012