Quick definitions from WordNet (crystal clear)
▸ adjective: transmitting light; able to be seen through with clarity ("Crystal clear skies")
▸ adjective: (of language) transparently clear; easily understandable ("A crystal clear explanation")
▸ Words similar to crystal clear
▸ Usage examples for crystal clear
▸ Popular nouns described by crystal clear
▸ Words that often appear near crystal clear
▸ Rhymes of crystal clear
▸ Invented words related to crystal clear
▸ adjective: transmitting light; able to be seen through with clarity ("Crystal clear skies")
▸ adjective: (of language) transparently clear; easily understandable ("A crystal clear explanation")
▸ Words similar to crystal clear
▸ Usage examples for crystal clear
▸ Popular nouns described by crystal clear
▸ Words that often appear near crystal clear
▸ Rhymes of crystal clear
▸ Invented words related to crystal clear