IPA: //ˌmɒdərˈnɪstɪk//
KK: /ˈmɒdərnɪstɪk/
Relating to or characteristic of a style that is contemporary and innovative, often breaking away from traditional forms.
The architect designed a modernistic building that stood out in the historic neighborhood.
Modernistic → It is formed from "modern" (from Latin "modernus", meaning of the present time) and the suffix "-istic" (meaning pertaining to or characteristic of). The word "modernistic" refers to something that is characteristic of or related to modern styles or ideas.
Think of 'modern' as relating to the present and '-istic' as indicating a characteristic. This helps you remember that 'modernistic' describes something that embodies modern characteristics.