IPA: /ɪmˈplækəbli/
KK: /ɪmˈplækəbli/
In a way that shows someone is unable to be calmed down or changed; showing no mercy or forgiveness.
She implacably refused to change her mind, no matter how much they pleaded.
Implacably → It is formed from "im-" (meaning not) and "placare" (meaning to appease or calm). The word describes a state of being unable to be appeased or calmed, indicating a relentless or unforgiving nature.
Think of being 'not' ('im-') able to 'calm' or 'appease' ('placare') someone — that's why implacably means in a way that cannot be calmed.