noun ·6 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   counterespionage uncountable, usually
2. 2
   intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism wordnet

Synonyms

All synonyms

buggingcloak-and-dagger workcounterespionageelectronic surveillanceespialespionage

Etymology

From counter- + intelligence.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.