Nirguṇa bhakti is love for a God beyond all form, approached through the divine name and inner remembrance rather than images. It is contrasted with saguṇa bhakti, devotion to God in forms such as Kṛṣṇa or Rāma. Kabīr and the Sant tradition, and Guru Nānak, are its great voices.
Nirguṇa bhakti
Devotion to God without form or attributes, as in the poetry of Kabīr and the Sants.
Also: Nirguna bhakti