The unofficial slogan of the gathering is “we help you change the world.”
Between 1989 and 2004, he served as an unofficial and unpaid adviser to Yassir Arafat.
Asked whether he thought there might be some unofficial pinkwashing going on, he shrugged his shoulders and grinned.
Even the chefs—the younger, more intriguing ones, at least—seemed to be unschooled, unofficial, improvisational.
But such an unofficial policy looks like it would be a difficult political task for Netanyahu.
Roper set it up as a panel of big businessmen to act as unofficial advisers to President Roosevelt.
Captain Erskine nodded, and did his best to conceal an unofficial smile.
These determinations are in substantial agreement with a large number of other estimates, both official and unofficial.
Brains, purpose, will,—all are needed by these unofficial statesmen.
I shall be excited to see what the unofficial Government organs make of you.
early 14c., from Old French oficial "law officer; bishop's representative" (12c.) and directly from Late Latin officialis "attendant to a magistrate, public official," noun use of officialis (adj.) "of or belonging to duty, service, or office" (see official (adj.)). Meaning "person in charge of some public work or duty" first recorded 1550s.
late 14c., "performing a service; required by duty," from Old French oficial "official; main, principal" (14c., Modern French officiel) or directly from Late Latin officialis "of or belonging to duty, service, or office," from Latin officium (see office). Meaning "pertaining to an office or official position" is from c.1600.
unofficial un·of·fi·cial (ŭn'ə-fĭsh'əl)
Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.
official of·fi·cial (ə-fĭsh'əl)
Authorized by or contained in the U.S. Pharmacopoeia or National Formulary. Used of drugs.