Dictionary
Thesaurus
Medical
Scrabble®
Spanish Central
Browse DictionaryBrowse Thesaurus
Get our free apps!iPhone•iPad•Android
Games
Word of the Day
Video
Blog: Words at Play
My Faves
Dictionary

madly

adverb mad·ly \ˈmad-lē\

: to an extreme or excessive degree

: in a mad or insane way

Full Definition of MADLY

1
:  in a mad manner
2
:  to an extreme or excessive degree <madly in love>
See madly defined for English-language learners
ADVERTISEMENT

First Known Use of MADLY

13th century

Related to MADLY

Synonyms
amok (or amuck), berserk, berserkly, frantically, frenetically, frenziedly, harum-scarum, hectically, helter–skelter, pell-mell, wild, wildly
Antonyms
apathetically, indifferently, lukewarmly, perfunctorily

Rhymes with MADLY

badly, gladly, sadly

Learn More About MADLY

Browse

Next Word in the Dictionary: madmanPrevious Word in the Dictionary: madlingAll Words Near: madly
ADVERTISEMENT
10 Charming Words for Nasty People
Put-downs with flair
Learn More
When "Literally" isn't, well, literal
How to use a word that (literally) drives some people nuts.
Watch Now
Know what this is?
Test your vocab with our fun, fast game
Go Play
Fear of cats?
Ailurophobia, and 9 other unusual fears
Learn More
Join Us
Merriam-Webster
on Facebook
Merriam-Webster
on Twitter
Bookstore: Digital and Print
Merriam-Webster references for Mobile, Kindle, print, and more.
See All
Other Merriam-Webster Dictionaries