lastingly

Mane (Îngilîzî)

In a lasting manner, in a way that persists.

Hevwate

durably

permanently

enduringly

constantly

continually

continuously

incessantly

on a long-term basis

for keeps

for long

once and for all

securely

square

squarely

substantially

sustainably

abidingly

tenaciously

agelong

fast

firmly

for a long time

forever

for good

for good and all

Werger

durablement

continuellement

ständig

siempre

permanent

continuamente

aldoor

sempre

fortwährend

durabilmente

bij voortduring

unaufhörlich

voortdurend

continuamente

μόνιμα

Etîmolojî (Îngilîzî)

From lasting + -ly.