This is the 2208th most frequent Russian word.
гражданская
"Гражданская" means "civil" in English.
Here, "гражданская" (civil) is used to describe the type of war, emphasizing that it occurs within a single country among its citizens.
Это была гражданская война.
It was a civil war.
In this sentence, "гражданская" (civic) refers to a stance or attitude reflecting responsibilities as a citizen or civic consciousness.
У нее гражданская позиция по этому вопросу.
She has a civic stance on this matter.
"Гражданская" (civil) in this context pertains to a marriage that is officially registered without religious proceedings.