1. Causing or being a subject for censure, reproach, or disapproval
The word deplorable has been derived from ‘deplore’. Now if you explore something new and you don’t appreciate it, you express a disapproval of it. And hence this can easily be related to the word deplorable to remember its meaning.
1. We will not tolerate such deplorable behavior in a house of worship
2. The resulting consumerist frenzy brings out some deplorable impulses.