Pramāda

Pramāda is a Buddhist term that is translated as "heedlessness", "carelessness", etc. In the Mahayana tradition, pramāda is defined to not apply oneself earnestly and carefully to adopting a wholesome attitude and abandoning unwholesome actions.
Pramāda is identified as:

One of the twenty secondary unwholesome factors within the Mahayana Abhidharma teachings

Definitions

Mipham Rinpoche states:
The Abhidharma-samuccaya states:
Alexander Berzin explains: