[Vocabulary] meaning of "scurrilous"

[waikaki]

Which is the more precise meaning of "scurrilous"?

Merriam-Webster's Learner's Dictionary: "said or done unfairly to make people have a bad opinion of someone"

Cambridge Dictionary: "rude and cruel, and sometimes damaging"

 

[Route21]

Here's the definition from the Free Dictionary, if it helps:
scurrilous - definition of scurrilous by the Free Online Dictionary, Thesaurus and Encyclopedia.
Regards
R21

 

[Rover_KE]

Click here for 138 examples of its use in a variety of contexts.

Rover