'Insincerely' definitions:
Definition of 'insincerely'
(from WordNet)
adverb
Without sincerity; "she congratulated him somewhat insincerely" [ant: sincerely, truly, unfeignedly]
Definition of 'Insincerely'
From: GCIDE
- Insincerely \In`sin*cere"ly\, adv. Without sincerity. [1913 Webster]