snang med

སྣང་མེད
beyond form; careless, indifferent, unconcerned, neglectful, invisible, unmanifest [RY]

non-effulgent, careless, SA nang med, casual, indifference, negligence, reckless, appearing although nothing [JV]

mnyam bzhag snang med meditation is devoid of solid perceptions [RY]

nonapparent/ nonmanifest [RB]

1) invisible, unmanifest, not apparent, beyond form; 2) [be] careless, [be] indifferent/ unconcerned, neglect[ful], disregard, overlook; 3) night, darkness, w/o light [IW]