Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: a vociferous supporter (as of a cause)
Keep scrolling for more
advocate, advocator, apostle, backer, booster, champion, espouser, exponent, expounder, friend, gospeler (or gospeller), herald, hierophant, high priest, paladin, promoter, proponent, protagonist, supporter, true believer, white knight
adversary, antagonist, opponent
1662, in the meaning defined above
Resources for tub-thumper
Time Traveler for tub-thumper
See more words from the same year
More from Merriam-Webster on tub-thumper
Thesaurus: All synonyms and antonyms for tub-thumper
Comments on tub-thumper
What made you want to look up tub-thumper? Please tell us where you read or heard it (including the quote, if possible).
a typical or ideal example
Get Word of the Day daily email!
Find the Cousins
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
'Justice' is our 2018 Word of the Year
Our Word of the Year justice, plus 10 more
Words from the week of 12/14/2018
Yeggs, jackrollers, footpads, and more
How we chose 'justice'
And is one way more correct than the others?
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Identify the word pairs with a common ancestor
A game of winding words.