undeclared

/ˌʌndɪˈklɛrd/
adjective
  1. Not announced or made known officially.
    • The undeclared war between the two countries caused tension for years.
    • He traveled with undeclared cash and had to explain it at customs.
    • She kept her intentions undeclared, leaving everyone guessing.
  2. Of a college student: not having chosen a major field of study.
    • As an undeclared freshman, she took a variety of classes to explore her interests.
    • The advisor helped undeclared students choose a path that suited them.
    • Many students start college undeclared and decide on a major later.
Antonyms
What does "undeclared" mean? | whatsthatwordmean | whatsthatwordmean