Adverb
in a thoughtless manner
Source: WordNetAs adults, we do know more, but we don't know enough. People can be very unthinkingly callous. Dennis Potter
Don't accuse anyone with the temerity to question your sad supernatural fantasies of having a 'closed mind' or being 'blind to possibilities'. A closed mind asks no questions, unthinkingly accepting that which it wants to believe. The blindness is all yours." Charlie Brooker
Best to live lightly, unthinkingly. Sophocles
If a man fights his way through his doubts to the conviction that Jesus Christ is Lord, he has attained to a certainty that the man who unthinkingly accepts things can never reach. William Barclay
It's not just about a coach telling you what to do and just following it unthinkingly. Lynn Davies
His voice stopped and they looked for a long quiet moment into each other's eyes and between them lay the sunny lost youth that they had so unthinkingly shared. Margaret Mitchell