disingenuously
adverb/ˌdɪsɪnˈdʒenjuəsli/
/ˌdɪsɪnˈdʒenjuəsli/
(formal)- in a way that is not sincere, especially when you pretend to know less about something than you really do
- The writer disingenuously claims to be uninterested in politics.
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disingenuously