What is a synonym for "mercilessly"?

Common synonyms include: pitilessly, atrociously, brutishly, butcherly, cruelly, ferociously.

How do you pronounce "mercilessly"?

Pronounced //ˈmɜːsɪləslɪ//.

/ˈmɜːsɪləslɪ/ adv

adv ·Rare ·Advanced level

Adverb

1
In a merciless manner.
"She mercilessly read off the list of his wrongs in front of their friends."

Adverb

"The government is being mercilessly harried by a new lobby."

From merciless + -ly.