Literally, ‘without qualities’. A type of samadhi, or equanimity, beyond all qualities or attributes, where a person’s contact with their body is minimal.
Samadhis are of different varieties. When you are in the body, there are eight samadhis available to a human being. Of these eight, they have been broadly categorized as savikalpa: samadhis with attributes or qualities, which are very pleasant, blissful, and ecstatic; and nirvikalpa: samadhis that are beyond pleasant and unpleasant – they are without attributes or qualities.