IPA: /ˌtɛrəˈrɪstɪk/
KK: /tɛrəˈrɪstɪk/
Relating to or characteristic of acts of violence or intimidation, especially against civilians, to achieve political goals.
The government implemented new security measures to combat terroristic threats.
Terroristic → It is formed from "terror" (from Latin *terror*, meaning great fear or dread) and the suffix "-istic" (meaning pertaining to or characteristic of). The word "terroristic" refers to actions or behaviors that are characteristic of causing great fear or dread, often associated with violence or intimidation.
Think of 'terror' as great fear and remember that 'terroristic' describes actions that are meant to instill that fear.