Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1580s, "that may be interrogated;" c.1600, "open to dispute, doubtful," from question (v.) + -able. Deprecatory sense of "dubious in character" is attested from 1806. Related: Questionably.

MORE RELATED WORDS FOR QUESTIONABLENESS

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.