IPA: /dɪˈspɪkəblɪ/
KK: /dɪˈspɪkəblɪ/
In a way that shows a lack of respect or consideration for others; in a mean or contemptible manner.
He acted despicably by betraying his friends for personal gain.
Despicably → It is formed from "despicable" (from Latin *despicabilis*, meaning worthy of scorn) and the suffix "-ly" (meaning in a manner of). The word "despicably" means in a manner that is worthy of scorn or contempt.
Think of something that is 'worthy of scorn' ('despicable') and remember that 'despicably' describes how that scornful behavior is done.