lasting

adjective
UK /ˈlɑːstɪŋ/
US /ˈlæstɪŋ/

Something that lasts a long time and does not stop or break.

The two friends built a lasting friendship at school.


OTHER MEANINGS

2. Continuing to exist or happen for a long time.

The storm had a lasting effect on the small town.

3. Strong enough to stay in good condition for a long time.

These shoes are made of lasting material.

4. The act of continuing for a period of time.

The lasting of the concert surprised everyone.