unreflecting (?.)

• arbitrary
• capricious
• careless
• heedless
• ill-advised
• ill-considered
• ill-contrived
• ill-devised
• ill-gauged
• ill-judged
• impolitic
• imprudent
• inadvertent
• inadvisable
• inconsiderate
• indiscreet
• inexpedient
• injudicious
• insensate
• irrational
• mindless
• misadvised
• misguided
• myopic
• reasonless
• reckless
• senseless
• shortsighted
• thoughtless
• unadvised
• uncalculating
• unconsidered
• undiscerning
• unforeseeing
• unguarded
• unreasonable
• unreasoning
• unreflective
• unseeing
• unsensible
• unsound
• unthinking
• unthoughtful
• unwise
• witless