Word: sunfast
Part of speech: Adjective
Syllables: sun
fast
Definition: Colorfast in a way that will not fade in sunlight.
Morphemes:
Affix: sun
Language: en
PoS: Noun
Meaning: Something like the sun in brightness or splendor.
Affix: fast
Language: en
PoS: Adjective
Meaning: Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.