unthoughtful

• But genetically speaking, it's still a jungle out there; nothing will absolutely prevent unthoughtful--if not malicious--biohacking in the near future. —  Omni: January 1993
• He told her he realized she must be busy, but it wasn't like her to be unthoughtful, and she surely must know her brothers worried about her. —  Garwood, Julie - Rose 1 - For the Roses
• Is Microsoft attempting to show that their OS is great for consumers with shallow requirements who are either ignorant or unthoughtful about their purchases in this economy? —  World of Apple
• This may seem a shallow and unthoughtful way of thinking about this, but really, how else are we to judge? —  Heretical Ideas Magazine
• When Joe Biden says something unthoughtful, it's a gaffe. —  CNN Political Ticker

Roget's II: The New Thesaurus

Used in the Same Context