unreadable

adj 1 (derog 贬) too dull or too difficult to be worth reading （因枯燥或艰涩）不值一读的. 2 = illegible.

unprofessional, unprofessionally, unprofitable, unpromising, unprompted, unpronounceable, unprovided, unprovoked, unpunished, unputdownable, unqualified, unquestionable, unquestionably, unquestioned, unquestioning, unquestioningly, unquiet, unquote, unravel, unread, unreadiness, unreal, unrealistic, unreality, unreasonable, unreasonably, unreasoning, unrecognized, unreel, unregenerate, unregulated, unrelated, unrelenting, unrelentingly, unreliable, unremarkable, unremitting, unrepeatable, unrepentant, unrepresentative,