IPA: /ʌnˈkaɪndli/
KK: /ʌnˈkaɪndli/
Not showing kindness or being friendly; behaving in a harsh or cruel way.
She spoke unkindly to her friend, which hurt his feelings.
In a way that is not nice or friendly; showing a lack of kindness.
She spoke unkindly to her friend, which hurt his feelings.
Unkindly → It is formed from "un-" (meaning not) and "kind" (from Old English "cynd", meaning nature or character) and the suffix "-ly" (meaning in a manner of). The word "unkindly" means in a manner that is not kind or lacking in kindness.
Think of 'not' ('un-') combined with 'nature' or 'character' ('kind') to remember that 'unkindly' describes a manner that lacks kindness.