IPA: /ˌdaɪəˈrɪstɪk/
KK: /daɪəˈrɪstɪk/
Related to diaries or the style of writing found in diaries.
Her diaristic reflections provided a deep insight into her daily life and thoughts.
Diaristic → It is formed from "diary" (from Latin "diarium", meaning daily allowance or journal) and the suffix "-istic" (meaning pertaining to). The word "diaristic" refers to something that pertains to or is characteristic of a diary.
Think of a diary as a daily record ('diary') and remember that 'diaristic' means related to that daily record.