durably
adverbUK /ˈdjʊərəbli/
US /ˈdʊrəbli/
In a way that lasts a long time without breaking.
The bridge was durably built to stand for a hundred years.
RELATED WORDS
OTHER MEANINGS
2. In a way that keeps going strong without wearing out.
The battery durably powered the toy for weeks.
3. In a way that holds up well against damage or hard use.
The backpack was durably stitched for long hikes.
4. In a way that continues to exist for a long time.
Their friendship durably survived many moves and changes.