letterless
/ˈlɛtərlɪs/Definitions
1. adjective
Having no letters; blank or empty.
“The letterless page was filled with scribbles.”
2. adjective
Lacking in letter or spirit; insincere or hypocritical.
“His letterless apology only made the situation worse.”
3. adjective
Incapable of being written or expressed in letters; ineffable.
“The artist’s letterless emotions were captured in the painting.”