alas

As a noun sigh

is a deep and prolonged audible inspiration or respiration of air, as when fatigued, frustrated, grieved, or relieved; the act of sighing.

As a verb sigh

is to inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, frustration, or the like.

As an interjection sigh

is an expression of fatigue, exhaustion, grief, sorrow, frustration, or the like, often used in casual written contexts.

As an adjective alas is

naked.

As an adverb regrettably

is in a manner inspiring or deserving regret.

As an adjective alas is

naked.

As adjectives the difference between alas and undefined

is that alas is naked while undefined is lacking a definition or value.

As an adjective alas

is naked.

As a noun or is

gold.

As an adjective alas

is naked.

As a verb slack is

.

Regretfully 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 regretfully is

in a regretful manner, with regret.

As an adjective alas

is naked.

As an adverb miserably is

in a miserable manner.

As adjectives the difference between alas and unfortunate

is that alas is naked while unfortunate is not favored by fortune.

As a noun unfortunate is

an unlucky person.

As an adjective regrettable

is of an event, action, or state, allowing or deserving regret.

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 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 however is

nevertheless, nonetheless, even so, that said, in spite of this.

As a conjunction however is

in whatever manner (that).