in_secret
1. [ adverb ] in secrecy; not openly
Synonyms: secretly on_the_QT on_the_Q.T.
Examples:

"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"

Similar spelling:   insecure
  insect
  inject
  insecurity
  Insecta
  in_suspense
  insectan
  injector
  injection
  injectant
  incase
  incise
  injectable
  insecurely
  insectlike
  insectivore
  Insectivora
  insectifuge
  insecticide
  insect_bite
  incised
  incasement
  incased