1. without thinking carefully; in a thoughtless or careless manner

Examples

• She unthinkingly agreed to help without considering her busy schedule.
• He unthinkingly threw the wrapper on the ground.
• The driver unthinkingly changed lanes without checking his mirrors.
• I unthinkingly said yes to the invitation before remembering my prior commitment.
• She unthinkingly repeated the gossip she had heard.
• The child unthinkingly touched the hot stove.