cramped — A cramped room or building is not big enough for the people or things in it.
faint — lacking brightness, vividness, clearness, loudness, strength, etc.: a faint light; a faint color; a faint sound.
hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
indistinct — not distinct; not clearly marked or defined: indistinct markings.
obscure — (of meaning) not clear or plain; ambiguous, vague, or uncertain: an obscure sentence in the contract.
scrawled — to write or draw in a sprawling, awkward manner: He scrawled his name hastily across the blackboard.
unclear — free from darkness, obscurity, or cloudiness; light: a clear day.
undecipherable — to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
illegible — not legible; impossible or hard to read or decipher because of poor handwriting, faded print, etc.: This letter is completely illegible.
incomprehensible — impossible to understand or comprehend; unintelligible.
