Single informer Synonyms

Definitions for Single

(adjective) not married
(adjective) belonging only to the one person, unit, or group named
(adjective) not physically attached to another unit

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Single Informer

What does SI stand for?

SI stands for "Single Informer"

Informer replaced

single finger

single source

single operative

single announcer

single infiltrator

Definitions for Informer

(noun) a person who provides information about another's wrongdoing
(noun) one who reveals confidential information in return for money