Illegible.
Overcrowded or congested.
Tight because of or like suffering a cramp.
Uncomfortably restricted in size or space, or financially.
difficult to decipher
of, relating to, or written with this system of symbols
Undecipherable handwriting or secret symbol.
Any symbol used in this system; a hieroglyph.
A writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus