Oxford Dictionary English top secret adjectiveadjective BrE BrE//ˌtɒp ˈsiːkrət// ; NAmE NAmE//ˌtɑːp ˈsiːkrət// Add to my wordlistjump to other resultsthat must be kept completely secret, especially from other governments This information has been classified top secret. top-secret documentsSee top secret in the Oxford Advanced American DictionaryCheck pronunciation: top secret oxfordlearnersdictionaries.com
