IPA: /ˈsaɪləntli/
KK: /ˈsaɪləntli/
In a way that does not make any sound or noise.
She walked silently through the dark room.
Silently → It is formed from "silent" (from Latin "silens", meaning not speaking or quiet) and the suffix "-ly" (meaning in a manner of). The word "silently" means in a manner that is quiet or without sound.
Think of being 'quiet' ('silent') and doing something 'in that manner' ('-ly'). This helps you remember that 'silently' means to do something without making noise.