Synonyms of unreadable in English:

unreadable


See US English definition of unreadable

See UK English definition of unreadable

See Spanish definition of ilegible

adjective

1‘an almost unreadable photocopy’

SYNONYMS
illegible, hard to read, indecipherable, unintelligible
faint, faded, pale, indistinct, obscure, scrawled, scribbled, hieroglyphic, squiggly, crabbed
informal clear as mud
ANTONYMS

clear, legible

2‘the heavy, unreadable novels which so often win prizes’

SYNONYMS
dull, tedious, boring, uninteresting, dry, dry as dust, as dry as dust, wearisome, difficult, heavy-going, heavy, turgid
incoherent, inarticulate, incomprehensible
ANTONYMS

readable, accessible

3‘Nathan's expression was unreadable’

SYNONYMS
inscrutable, enigmatic, impenetrable, cryptic, impossible to interpret, mysterious, puzzling, deadpan
informal poker-faced
ANTONYMS

transparent