Ariya B. Baumann was a Buddhist nun for 21 years in Burma where she practiced under the guidance of Sayadaw U Janaka. She is now based in Switzerland and teaches metta and vipassana meditation retreats worldwide.
The latent defilements are the base from which they manifest as either obsessive or transgressive defilements. Their abandoning, temporary or complete, can be acheived by the threefold training in virtue, concentration, and wisdom.
The three trainings in virtue, concentration, and wisdom enable a practitioner to suppress or abandon the different levels of defilements. But only the practice of vipassana mediation is able to completely uproot them.