Antonyms of adj unsanctioned

1 sense of unsanctioned

Sense 1
unsanctioned -- (without explicit official permission; "unsanctioned use of company cars")

INDIRECT (VIA unofficial) -> official -- (having official authority or sanction; "official permission"; "an official representative")

Similarity of adj unsanctioned

1 sense of unsanctioned

Sense 1
unsanctioned -- (without explicit official permission; "unsanctioned use of company cars")
       => unofficial (vs. official) -- (not having official authority or sanction; "a sort of unofficial mayor"; "an unofficial estimate"; "he participated in an unofficial capacity")