The key that is used does not rust. (Albanian proverb). At the narrow passage there is no brother and no friend. (Arabic proverb).
Definition of remiss. 1  1 : negligent in the performance of work or duty : careless. 2  2 : showing neglect or inattention : lax.
The definition of remiss is to be negligent or careless or not do something you should. An example of remiss is when you make sloppy, careless errors and don't pay attention to your work. remiss. remiss.