l]
| 1. | a person appointed or elected to an office or charged with certain duties. |
| 2. | of or pertaining to an office or position of duty, trust, or authority: official powers. |
| 3. | authorized or issued authoritatively: an official report. |
| 4. | holding office. |
| 5. | appointed or authorized to act in a designated capacity: an official representative. |
| 6. | (of an activity or event) intended for the notice of the public and performed or held on behalf of officials or of an organization; formal: the official opening of a store. |
| 7. | Pharmacology. noting drugs or drug preparations that are recognized by and that conform to the standards of the United States Pharmacopeia or the National Formulary. |
official of·fi·cial (ə-fĭsh'əl)
adj.
Authorized by or contained in the U.S. Pharmacopoeia or National Formulary. Used of drugs.
unofficial un·of·fi·cial (ŭn'ə-fĭsh'əl)
adj.
Of or being a drug that is not listed in the United States Pharmacopeia or the National Formulary.