C1 adjective /ˌdɪsɪnˈdʒɛnjʊəs/
disingenuous
heuchlerisch
Meaning
not candid or sincere; giving a false appearance of honesty or openness
Example
She gave a disingenuous excuse for missing the meeting.
Sie gab eine heuchlerische Ausrede, um das Treffen zu verpassen.