Definition of sunfast in English:

sunfast

Syllabification: sun·fast
Pronunciation: /ˈsənfast
 
/

adjective

US
(Of a dye or fabric) not prone to fade in sunlight.

Definition of sunfast in:

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Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
verb
walk or travel at a leisurely pace