IPA: /ˌʌnɪnˈdɪərɪŋ/
KK: /ʌnɪnˈdɪrɪŋ/
Not charming or likable; lacking qualities that make someone appealing or lovable.
His unendearing behavior made it hard for others to warm up to him.
Comparative: more unendearing
Superlative: most unendearing
Unendearing → It is formed from "un-" (meaning not) and "endearing" (from Old English *in-derian*, meaning to make dear or beloved). The word "unendearing" means not making someone dear or beloved, indicating a lack of charm or affection.
Think of 'not' ('un-') making someone 'dear' or 'beloved' ('endearing') — that's why unendearing means lacking charm or affection.