IPA: /ɪˈmɒdɪst/
KK: /ɪˈmɒdɪst/
Not showing humility or reserve; often characterized by excessive pride or a lack of modesty in behavior or appearance.
Her immodest behavior at the party drew disapproving looks from the guests.
Immodest is formed from "im-" (meaning not) and "modestus" (from Latin, meaning moderate or restrained). The word describes a lack of moderation or restraint, particularly in behavior or appearance.
Think of 'not' being added to 'moderate' — that's why immodest means lacking moderation or restraint.