for forms sake (adjective, adverb) pro forma: as a formality
Sinonime: cellophane, clear, crystal-clear, crystalline,
diaphanous, filmy, gauzy, glassy,
gossamer, hyaline, limpid, lucent,
lucid, pellucid, permeable,
plain,
sheer,
thin, tiffany,
translucent, transpicuous, vitreous
Antonime: blocked,
cloudy,
dark,
opaque