lastingly

As an adjective permanent

is without end, eternal.

As a noun permanent

is a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.

As a verb permanent

is (dated) to perm (the hair).

As an adverb lastingly is

in a lasting manner, in a way that persists.

As adverbs the difference between lastingly and durably

is that lastingly is in a lasting manner, in a way that persists while durably is in a durable manner.

As adverbs the difference between lastingly and listingly

is that lastingly is in a lasting manner, in a way that persists while listingly is with a list or tilt.

As adverbs the difference between lashingly and lastingly

is that lashingly is with savage criticism while lastingly is in a lasting manner, in a way that persists.

As adverbs the difference between wastingly and lastingly

is that wastingly is in a way that causes wastage; wastefully while lastingly is in a lasting manner, in a way that persists.

As adverbs the difference between lustingly and lastingly

is that lustingly is with lust; lustfully while lastingly is in a lasting manner, in a way that persists.