Intended only for the use of an individual, group, or organization.
Of or relating to the body or physical being:
The definition of informal is something or someone who is casual or relaxed.
Unpremeditated or offhand:
Prohibited from being imported or exported.
(Archaic) Motivated by the desire to help others.
Breaking with convention or tradition; not orthodox.
The definition of official is authorized, or is someone who holds a position of authority.
Find another word for unofficial. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for unofficial, like: unauthorized, unsanctioned, private, personal, informal, casual, contraband, officious, offstage, unorthodox and official.