I procrastinate much and it is a bad habit.
‘sikeva is more or less neutral, ‘letena generally good, but ‘nedaru is a undoubtly bad. It is used for the bad habits which one has. The normally acceptable things which are overdone and the bad things which are habitually done. A nedaru’het is such a bad habit or even an addiction. A nedaru’he is afflicted with one or several nedaru’het’ny, last but not least, nedaru’tan means obsession.