with unflagging resolve;
"dance inspires him ceaselessly to strive higher and higher toward the shining pinnacle of perfection that is the goal of every artiste"
"the world is constantly changing"
- The man seemed to be in animal spirits and joked incessantly.
- Michael now talks incessantly although not always coherently.
- For ten hours it rained incessantly.
- incessant 不断的