Adverbial offhandedly has 2 senses
  1. offhand, offhanded, offhandedly - without previous thought or preparation; "couldn't give the figures offhand"; "we decided offhand to go to Canada"; "she had made these remarks offhandedly"
    Derived from adjective offhanded1
  2. offhand, offhanded, offhandedly - in a casually inconsiderate manner; "replied offhand, his mind a million miles away"; "she threw him over offhandedly without even a Dear-John letter"
    Derived from adjective offhanded2
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