INVISIBILITY, INVISIBLE
ADJECTIVES
► IMPERSPICABLE that cannot be seen or discerned; invisible → 1665 obs.
► INVISED unseen; invisible → L16 obs.
► SIGHTLESS invisible, unseen, dark; impenetrable by vision → 1589
► UNSIGHTABLE not in sight, invisible → Bk1905 Eng. dial.
NOUNS
► TARN-CAP a magic cap, securing the invisibility of the wearer → 1856
Lexicophilia 