C2 verb /dɪˈsɪmjʊˌleɪt/
dissimulate
छिपाना
Meaning
To disguise or conceal one's true feelings or intentions.
Example
He tried to dissimulate his fear with a smile.
उसने मुस्कान के साथ अपने डर को छिपाने की कोशिश की।