IPA: //ˌʌltrəˈfɛmɪnɪn//
KK: /ˌʌltrəˈfɛmɪnɪn/
Describing something that is extremely or very feminine in appearance, style, or behavior.
She wore an ultrafeminine dress that accentuated her figure beautifully.
Ultrafeminine is formed from "ultra-" (meaning beyond or extreme) and "feminine" (from Latin "feminina", meaning female or womanly). The word describes characteristics that are extremely or excessively feminine.
Think of 'ultra-' meaning beyond or extreme, and 'feminine' relating to being female — this helps you remember that 'ultrafeminine' refers to qualities that are extremely feminine.