In a manner that is not genuine; as if one is pretending.

दिखावटी तरीके से

English Usage: She pretendedly smiled at the compliment, hiding her true feelings.

Hindi Usage: उसने दिखावटी तरीके से उस तारीफ पर मुस्कुराया, अपनी असली भावनाएँ छिपाते हुए।