The term "Garde civique" has various synonymous expressions that describe similar concepts. One synonymous phrase for "Garde civique" is "civic guard", which refers to a group of civilian volunteers who assist in maintaining law and order in communities. Another synonym that can be used is "militia", which signifies a group of ordinary citizens who are trained and organized to defend their community in times of crisis. Additionally, the term "auxiliary police" can also be associated with the meaning of "Garde civique", as it represents individuals who support law enforcement agencies in maintaining public safety. Ultimately, these synonyms showcase the idea of citizen involvement and collaboration in maintaining social order and security within their communities.