In secret Meaning, Definition & Usage

  1. adverb in secrecy; not openly
    secretly; on the QT; on the Q.T..
    • met secretly to discuss the invasion plans
    • the children secretly went to the movies when they were supposed to be at the library
    • they arranged to meet in secret

WordNet


Definitions
  1. in a private place; in privacy or secrecy; in a state or place not seen; privately.

Webster 1913