What is a synonym for brutally?

Here are some synonyms for "brutally", depending on the context you're using it in:

For describing violence or cruelty:

* Mercilessly

* Ruthlessly

* savagely

* viciously

* ferociously

* barbarously

* inhumanely

For describing bluntness or harshness:

* Frankly

* Candidly

* Directly

* Honestly

* Unflinchingly

* Starkly

For describing effectiveness:

* Effectively

* Efficiently

* Powerfully

* Forcefully

For describing a lack of consideration:

* Coldly

* Unfeelingly

* Heartlessly

* Callously

The best synonym will depend on the specific nuance you want to convey.