offhandedly

Adverb

• in a casually inconsiderate manner
  • replied offhand, his mind a million miles away
    
  • she threw him over offhandedly without even a Dear-John letter
    

• without previous thought or preparation
  • couldn't give the figures offhand
    
  • we decided offhand to go to Canada
    
  • she had made these remarks offhandedly
    

Related words

• Synonyms: 
  offhand , offhanded