You searched for: “indispensable
indispensable (adjective), more indispensable, most indispensable
1. Completely necessary: Rick thought that potato chips were an indispensable part of his diet, but he learned after a while that he was wrong!

Most people think that a mobile phone is a totally indispensable part of their lives!
2. Impossible of being ignored or neglected: Jim and Joan had indispensable functions as parents towards their children to provide them with the best possible home.

This entry is located in the following units: -able (page 20) pend-, -pens, -pense, -pending, -pended (page 4)
A unit related to: “indispensable
(Latin: needed, inevitable, unavoidable, indispensable)