How about stoic or stoicism. His stoic attitude in the face of his great loss led some to think that he had no real feelings.
impatient
Impatient.
To mime is to act out silently.
The word silently *is* an adverb. The adjective form is "silent."
One word that conveys enduring without protest or complaining is "stoic." A stoic person accepts difficult circumstances with calmness and resilience, often displaying a sense of inner strength without vocalizing discontent. This attitude reflects a commitment to perseverance in the face of adversity.
The word is silentium.
silently
more silently
Silently is an adverb. Many adverbs end in the prefix -LY.
creeps
cheeky
Noisily