not sincere; lacking candour
WordReference Random House Learner's Dictionary of American English © 2025
dis•in•gen•u•ous /ˌdɪsɪnˈdʒɛnyuəs/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- lacking in frankness, truth, or sincerity;
insincere:She gave me a disingenuous answer.
dis•in•gen•u•ous
(dis′in jen′yo̅o̅ əs),USA pronunciation adj.,
dis′in•gen′u•ous•ly, adv.
dis′in•gen′u•ous•ness, n.
- lacking in frankness, candor, or sincerity;
falsely or hypocritically ingenuous;
insincere:Her excuse was rather disingenuous.
- dis-1 + ingenuous 1645–55
dis′in•gen′u•ous•ness, n.
Collins Concise English Dictionary © HarperCollins Publishers::
'disingenuous' also found in these entries (note: many are not synonyms or translations):