smugly

from WordNet (r) 3.0 (2006)

smugly
    adv 1: in a smug manner; "the bureaucrats explained smugly that
           the facts provided by their own experts show no cause for
           concern"

from The Collaborative International Dictionary of English v.0.48

Smugly \Smug"ly\, adv.
   In a smug manner. [R.] --Gay.
   [1913 Webster]

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