demoralizing is a form of:

Demoralize



verb
1.
(TRANSITIVE) (To weaken the morale of, to dishearten, to grow into confusion) ធ្វើឲ្យខូច, ធ្វើឲ្យរលួយ
Example: Nimol was demoralized by the kind of friends he associated with, An attack on the rear guard demoralized the army.demoralize troops បង្ខូចទឹកចិត្ដ, សីលធម៌, demoralize a child នាំឱ្យប្រព្រឹត្តខុសសីលធម៌