Rainbetical 

Like "Alphabetical" but for when colors are in rainbow order.

"I sorted my folders in rainbetical order."

Rainbetical by JtheNinja7 November 21, 2023

Rainbetical Order 

To sort something in the order of the rainbow.

I used rainbetical order to sort all my crayons.

Rainbetical Order by Iola Jean May 25, 2011

Rainbowically

To colorize items, in the colors of the rainbow.

My grocery list has been colorized rainbowically.

Rainbowically by Poppy11 May 23, 2018

rainbotical 

in color coded order

my closet is in rainbotical order

rainbotical by rebeculla July 4, 2009

rainberically 

Expressed or sorted in the order of the colors of the rainbow.

I arranged my closet rainberically so I can easily find the right color shirt.

rainberically by JackSmithson December 19, 2010

rainbowtical

Adj. Describes an arrangement of things as being in rainbow order (similar to alphabetical)

I like to put my clothes in my closet in rainbowtical order

rainbowtical by Piss on the Floor February 2, 2022

Rainbowetically

When something is arranged by color, following the order of the rainbow.

Sometimes a result of Obsessive Compulsive Disorder.

David felt compelled to arrange his collection of rubber ducks rainbowetically; starting with red, and ending with violet.

Rainbowetically by babblingbob January 30, 2010