Douglas Harper's Etymology Dictionary
1828, from un- (1) "not" + accredited.
Wiktionary
a. Not accredited; lacking accreditation.
WordNet
adj. lacking official approval [syn: unlicensed, unlicenced]
Usage examples of "unaccredited".
In the end the only school that would accept Raymond was an unaccredited junior college that specialized in maritime studies.
Katy agreed that they had been very foolish, and resolved to pay no more attention to unaccredited rumors or allow them to spoil their enjoyment, which was a sensible resolution to make.
And afterward, the man-who had a degree in law from an interesting but unaccredited law school overseas-had vanished.
XVI LETTERS FROM JAIL For two weeks Signor Pietro Petrozinni, known to the Secret Service as an unaccredited agent of the Italian government, and the self-confessed assailant of Senor Alvarez of the Mexican legation, had been taking his ease in a cell.
Talleyrand, lately an exile in America, but now Secretary of Foreign Affairs to the French Government, entered into intrigue with them, through several unaccredited and unofficial agents, of which the object was to induce them to promise a round bribe to the directors and a large sum of money to fill the exhausted French treasury, by way of purchasing forbearance.
Boston University and the backing of both the University of Mississippi chancellor and the law school dean, but Ole Miss trustees rejected him on the technicality that his undergraduate degree was from an unaccredited institution.
Between us we've come up with a list of thirty-four unaccredited institutions, and we've tentatively agreed that a new accrediting body is needed.