lastingly

adverb
UK /ˈlɑːstɪŋli/
US /ˈlæstɪŋli/

In a way that keeps going for a long time.

The two friends lastingly changed each other's lives.


OTHER MEANINGS

2. In a manner that leaves a strong effect that does not fade.

Her kindness lastingly shaped the whole community.

3. In a way that continues without stopping or breaking.

The treaty lastingly secured peace between the two nations.

4. In a way that is built to survive wear or time.

The bridge was lastingly constructed from stone.