IPA: /ˌjuːnɪˈpɛrəntəli/
KK: /junɪˈpɛrənˌtəli/
In a way that involves only one parent or source.
The child was raised uniparentally after the divorce.
Uniparentally → It is formed from "uni-" (meaning one) and "parent" (from Latin "parens", meaning parent) and the suffix "-ally" (meaning in a manner). The word describes something that occurs in a manner involving one parent.
Think of 'uni-' meaning one and 'parent' referring to a parent, so 'uniparentally' means in a way that involves one parent.