Dictionary.com
Thesaurus.com

battologize

American  
[buh-tol-uh-jahyz] / bəˈtɒl əˌdʒaɪz /
especially British, battologise

verb (used with object)

battologized, battologizing
  1. to repeat (a word, phrase, mannerism, etc.) excessively.


verb (used without object)

battologized, battologizing
  1. (of writing or speaking) to repeat words, phrases, etc., to an excessive and tiresome degree.

Etymology

Origin of battologize

First recorded in 1625–35; battolog(y) + -ize