undiscriminating (adj.)

• apathetic
• ataractic
• blanket
• blase
• careless
• casual
• devil-may-care
• disinterested
• dispassionate
• easygoing
• general
• heedless
• imprudent
• inattentive
• incurious
• indiscreet
• indiscriminate
• indiscriminating
• insensitive
• insouciant
• lackadaisical
• listless
• mindless
• negligent
• nonchalant
• nonjudgmental
• perfunctory
• promiscuous
• reckless
• regardless
• sweeping
• tactless
• unconcerned
• uncritical
• undemanding
• unexacting
• unfastidious
• uninterested
• unmindful
• unselective
• unsubtle
• untactful
• wholesale