Espionage Jargon

noun a person sent on a special mission, usually as a diplomatic representative

• The diplomat sent an emissary to negotiate the terms of the treaty.
• The boss sent his emissary to check on the progress of the project.
• The crew's emissary went to scope out the competition before the big race.
• Her smile acted as an emissary of goodwill, welcoming everyone to the event.

verb To listen to a conversation without participating or being noticed

adverb In a manner that involves listening to a conversation without participating or being noticed

• Please listen in carefully to the instructions given by the presenter.
• Hey, make sure to listen in on what she's saying, it's important.
• Yo, you gotta listen in on this gossip, it's juicy!
• Sometimes you need to listen in between the lines to truly understand the message.

noun a character from a popular animated television series

• The secret squirrel mission was classified at the highest level of security.
• I can't tell you about it, it's secret squirrel stuff.
• She's always acting like a secret squirrel, sneaking around and keeping things to herself.
• He's like a secret squirrel, always hiding his true intentions until the last minute.