must-have
adjective / nounUK /ˈmʌst.hæv/
US /ˈmʌst.hæv/
Something you really need to have.
A warm coat is a must-have for winter.
RELATED WORDS
OTHER MEANINGS
2. Something that is very popular and that many people want to buy.
This new phone is the must-have gadget of the year.
3. A thing that you cannot do without in a certain situation.
Sunscreen is a must-have at the beach.
4. Describing an item that everyone is expected to own.
The toy became a must-have gift for the holidays.