IPA: /rɪˌspɒnsəˈbɪlɪti/
KK: /rɪˌspɑnsəˈbɪlɪti/
A duty or obligation that someone is responsible for; it can also refer to the state of being accountable for something.
Taking care of your pet is a big responsibility.
Responsibility → It is formed from "respondere" (meaning to respond) and "-ability" (meaning the quality of being able to). The word "responsibility" refers to the quality of being able to respond or being accountable for something.
Think of being 'able to respond' — 'respondere' means to respond, and '-ability' indicates the quality of that ability.