妄 without reason or permission

If that woman does that any MO without permission, she's going to be dying.

A delusion ★☆☆☆☆
妄 (without reason or permission) + 想 (idea/imagination) = 妄想 (A delusion)

A delusion - something impossible: "I am currently dating Michael Jackson!" "Jewish aliens are following me in an invisible robot!"

paranoia! ☆☆☆☆☆ NEONP
被害 (casualties) + 妄想 (A delusion) = 被害妄想 (paranoia!)

paranoia!

Although most Japanese will say パラノイア in casual conversation.