Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: flip side
: a song on the flip side of a record
You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
1949, in the meaning defined above
Keep scrolling for more
Share B side
Resources for B side
From the Editors at Merriam-Webster
Words We're Watching: 'B side'
When the new sense drops
Time Traveler for B side
See more words from the same year
Comments on B side
What made you want to look up B side? Please tell us where you read or heard it (including the quote, if possible).
noxious or harmful
Get Word of the Day daily email!
A Thanksgiving Word Quiz
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!
Read this into the night.
A common word, but only by a whisker
Semantic bleaching and the power to amaze
Cans of worms, wild-goose chases, and more
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
We are thankful for obscure words.
Another round of challenging vocab!
SCRABBLE® fans, sharpen your skills!