What is the opposite of contentedly?

The opposite of "contentedly" depends on the context, but here are some possibilities:

General opposites:

* Uncontentedly

* Dissatisfiedly

* Unhappily

* Restlessly

* Uneasily

More specific opposites:

* Anxiously (if the context is about feeling anxious)

* Angrily (if the context is about feeling angry)

* Sadly (if the context is about feeling sad)

* Miserably (if the context is about feeling miserable)

Ultimately, the best opposite for "contentedly" will depend on the specific meaning you want to convey.