nachlässig — meaning in English

English meaning

careless adjective Not paying enough attention, so that mistakes or accidents happen.
cavalier adj Careless or dismissive about something that actually matters; offhand to the point of recklessness.
neglectful adj Neglectful means often failing to look after things that need attention.
negligently adv Negligently means done carelessly, without proper attention.
offhand adj Said or done without preparation or careful thought.
perfunctory adj Done just to satisfy a basic requirement, without real care or effort.
remiss adj Careless or negligent about a duty or responsibility.
scatterbrained adj Unable to concentrate or remember things properly; forgetful and easily distracted.
slovenly adj Untidy in appearance.

nachlässig is used for these senses in English:

careless Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes. [from 16thc.]
cavalier Lacking the proper care or concern for something important, reckless, rash, high-handed.
devil-may-care Carefree, reckless, irresponsible.
neglectful Tending to neglect; failing to take care of matters which require attention; forgetful.
negligently In a negligent manner: carelessly or inattentively.
offhand Careless; without sufficient thought or consideration.
perfunctory Performed in a careless or indifferent manner as a thing of rote.
remiss Not energetic or exact in duty or business; careless; tardy; slack; hence, lacking earnestness or activity; languid; slow.

adj Careless or dismissive about something that actually matters; offhand to the point of recklessness.
noun Historically, a mounted soldier or knight, and later a supporter of King Charles I during the English Civil War.