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Use "unsanctioned" in a sentence
"Outside the approved demonstration areas, at least 42 people were detained and deported for their roles in unsanctioned demonstrations in support of Tibetan independence, according to Students for a Free Tibet."
"And the preliminary theory behind this blast is what the Emergency Ministry calls the unsanctioned use of pyrotechnical devices, in other words, the misuse or mishandling of fireworks."
"But with all its richness, the higher claim of his style was rightly understood to lie in gravity and self-command, and an especial care for the  purities of a vocabulary which rejected every expression unsanctioned by the authority of approved ancient models."