8 Types of Prajalpa

Bhaktivinoda Thakura's Piyusa-varsini commentary on Sri Upedeshamrta.
Prajalpa which spoils bhakti is categorized by Bhaktivinoda Thakura into the following 8 categories:

(1) Useless talks
(not about Lord Hari)

(2) Arguments
(godless quarrels like nyaya & vaisesika not based on the Vedas)

(3) Gossip
(talking about other people to establish one's reputation)

(4) Debates
(desire for conquest)

(5) Fault-finding in others
(imposing one's bad habits on others)

(6) Speaking falsehoods
(because of one's self-interest)

(7)Blaspheming devotees
(the worst)

(8) Worldly talk
(devoid of God consciousness)