IPA: /ɪnˈsɪɡ.ni.ə/
KK: /ɪnˈsɪɡniə/
A symbol or badge that represents a person's rank, membership, or nationality.
The soldier wore his insignia proudly on his uniform.
Insignia is derived from the Latin "insignis" (meaning marked or distinguished) and the suffix "-ia" (used to form nouns). The word signifies distinguishing marks or symbols that denote rank or office.
Think of 'marked' or 'distinguished' to remember that 'insignia' refers to symbols that show someone's rank or status.