- illegible; undecipherable
- difficult or tedious to read
WordReference Random House Unabridged Dictionary of American English © 2026
un•read•a•ble
(un rē′də bəl),USA pronunciation adj.
un•read′a•bil′i•ty, un•read′a•ble•ness, n.
un•read′a•bly, adv.
- not readable;
undecipherable;
scribbled:His scrawl was almost unreadable. - not interesting to read;
dull;
tedious;
an unreadable treatise. - extraordinarily difficult to read or comprehend;
obscure;
incomprehensible:an unreadable dream; an unreadable expression.
- un-1 + readable 1795–1805
un•read′a•bly, adv.
Collins Concise English Dictionary © HarperCollins Publishers::
unreadable /ʌnˈriːdəbəl/ adj
'unreadable' also found in these entries (note: many are not synonyms or translations):