inseparable

adjective
UK /ɪnˈsɛpərəbl/
US /ɪnˈsɛpərəbl/

Two things that are inseparable always stay together and cannot be apart.

The two puppies are inseparable and follow each other everywhere.


OTHER MEANINGS

2. So closely connected that they cannot be thought of separately.

In this story, love and loss are inseparable themes.

3. Unable to be separated physically.

The twins were inseparable even in their car seats.

4. Forming a very close friendship.

After camp, Maya and Leo became inseparable.

5. Not able to be divided into parts.

The two ideas are inseparable parts of the same plan.