sadly

As adverbs the difference between sadly and woefully

is that sadly is in a sad manner; sorrowfully while woefully is in a woeful manner.

As adverbs the difference between plaintively and sadly

is that plaintively is in a plaintive manner while sadly is in a sad manner; sorrowfully.

Sadly is a synonym of alas.

As an interjection alas

is used to express sorrow, regret, compassion or grief.

As a noun alas

is a type of {{l/en|depression}} which occurs in {{l/en|Yakutia}}, formed by the {{l/en|subsidence}} of {{l/en|permafrost}.

As an adverb sadly is

in a sad manner; sorrowfully.

As a noun sadness

is the state or emotion of being sad.

As an adverb sadly is

in a sad manner; sorrowfully.

As adverbs the difference between solemnly and sadly

is that solemnly is in a solemn manner while sadly is in a sad manner; sorrowfully.

As adverbs the difference between sadly and dejectedly

is that sadly is in a sad manner; sorrowfully while dejectedly is in a dejected manner, in a dispirited way.

As an adverb sadly is

in a sad manner; sorrowfully.

As adverbs the difference between inconstantly and sadly

is that inconstantly is in an inconstant manner while sadly is in a sad manner; sorrowfully.

As adverbs the difference between sadly and unhappily

is that sadly is in a sad manner; sorrowfully while unhappily is unfortunately; regrettably.