Dictionary
dis•in•gen•u•ous
Pronunciation: (dis"in-jen'yOO-us), [key]—
adj.,
lacking in frankness, candor, or sincerity; falsely or hypocritically ingenuous; insincere:
Her excuse was rather disingenuous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.