indispensable
Indispensable (adjective) means So necessary that it cannot be done without. Example: “A good night's sleep is indispensable to clear thinking.”
How to use indispensable
Learner’s notesIn plain EnglishSo important or essential that you can't manage without it.
Word forms
- Plural
- indispensables
- Comparative
- more indispensable
- Superlative
- most indispensable
Fill the gap
Can you complete this real example?
A good night's sleep is _____ to clear thinking.
Etymology
From Middle French indispensable, from Medieval Latin indispensabilis — literally "not able to be dispensed with."