What is the word for not wanting to do anything?

disinclined. adjective. formal unwilling to do something.

What is the word for not doing something?

refrain. verbdo without; keep from doing. abstain. arrest.

What is the synonym of unwillingly?

In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for unwillingly, like: grudgingly, angrily, sulkily, involuntarily, willingly, with complaints, resentfully, protestingly, foolishly, objecting and protesting.