- secret or hidden, making it difficult to notice covert operations/surveillance He stole a covert glance at her across the table. Every measure, both overt and covert, is being taken against terrorists. compare overt
- She watched him covertly in the mirror.
NAmE//ˈkoʊvərt//, NAmE//ˌkoʊˈvərt//, NAmE//ˈkʌvərt//(formal)
covertly adverbjump to other results