unsensibly
/ʌnsɛnˈsɛbli/Definitions
1. adverb
in a way that is not reasonable or logical; in a way that is foolish or reckless.
“She bought the house unsensibly, without considering the high maintenance costs.”
2. adverb
in a way that is not sensible or reasonable.
“He invested his money unsensibly, hoping for a quick profit.”