The Collaborative International Dictionary
Irreflective \Ir`re*flect"ive\, a.
Not reflective.
--De Quincey.
Wiktionary
a. Without mental reflection.
Usage examples of "irreflective".
It has hardly had a distinct consciousness of its own national existence, and has lived the irreflective life of the child, with no severe trial, till the recent rebellion, to throw it back on itself and compel it to reflect on its own constitution, its own separate existence, individuality, tendencies, and end.
To the vapid and irreflective observer he was not much to look at in the early stages of his career, having a dough-like face almost entirely devoid of nose, a lack-lustre eye, and the general appearance of a poached egg.
It was her father locking up for the night, and with a swift, irreflective movement she turned out the gas, fearful lest he should see a glimmer of light in her room.