Lightfastness is valid Scrabble Word

Is lightfastness a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is lightfastness valid Words with Friends?
Words with Friends YES

13 letters word
20 points in Scrabble
22 points in WWF

Definitions for LIGHTFASTNESS in dictionary:

ADJECTIVE:

(of a dye or pigment) not prone to discolour when exposed to light

OTHER DEFINITIONS:

resistant to light and especially to sunlight; colorfast to light

Words related to LIGHTFASTNESS

lightfast16 lightfastnesses22

Words that contain LIGHTFASTNESS

lightfastnesses22

Similar words containing LIGHTFASTNES without suffix s

lightfastnesses22

Find what other words can be done using letters: "lightfastness"
https://scrabble-word.com/finder/lightfastness

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