n. a person who tries secretly to obtain information for one country in the territory of another usually unfriendly country
The operatives were always in touch with headquarters.
spies; undercover agents; secret agents
average citizen
1 syllables
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!