Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: an arch resembling a rainbow made by the sun shining through vapor or mist
1816, in the meaning defined above
Keep scrolling for more
Resources for sunbow
Time Traveler for sunbow
See more words from the same year
More from Merriam-Webster on sunbow
See words that rhyme with sunbow
Comments on sunbow
What made you want to look up sunbow? Please tell us where you read or heard it (including the quote, if possible).
playful or foolish behavior
Get Word of the Day daily email!
Autumn Words of the Day 2018
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!
The complaint comes first; the suit follows.
New words that came from bigger words
A cavalcade of words for travel
Two words. One hundred years.
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'
(Secret October WOTD Quiz)
Name that government! Or something like that.
SCRABBLE® fans, sharpen your skills!