IPA: /ˌæltruˈɪstɪkli/
KK: /ælˈtruːɪstɪkli/
In a way that shows a selfless concern for the well-being of others, without expecting anything in return.
She altruistically donated her time to help the less fortunate.
Altruistically → It is formed from "altruism" (from French *altruisme*, meaning selflessness or concern for others) and the suffix "-ically" (meaning in a manner relating to). The word "altruistically" means acting in a manner that is selflessly concerned for the well-being of others.
Think of 'altruism' as caring for others, and remember that 'altruistically' means acting in a way that shows that care.