Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
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:
1978, in the meaning defined above
Keep scrolling for more
Share bipolar affective disorder
Resources for bipolar affective disorder
bipolar affective disorder
Time Traveler for bipolar affective disorder
See more words from the same year
Comments on bipolar affective disorder
What made you want to look up bipolar affective disorder? Please tell us where you read or heard it (including the quote, if possible).
to express emotion in a dramatic way
Get Word of the Day daily email!
What did you just call me?! A Quiz
Test your knowledge - and maybe learn something along the way.
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!
It relates to godfathers.
Nothing to see here.
Words from the week of 2/15/2019
Is 'orientate' a real word?
Comedian ISMO on what separates a boot from a trunk
Comedian ISMO on the complexities of the word 'tip'
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Never be caught off guard
A quiz for lovers and haters
A game of winding words.