regrettably

Definition of Regrettably in English :

by bad luck

Example Sentences:
'unfortunately it rained all day'
'alas, I cannot stay'

WordNet Lexical Database for English. Princeton University. 2010.

Regrettably

verb -grets, -gretting or -gretted (transitive)

1. (may take a clause as object or an infinitive)

to feel sorry, repentant, or upset about

2.

to bemoan or grieve the death or loss of

noun

3.

a sense of repentance, guilt, or sorrow, as over some wrong done or an unfulfilled ambition

4.

a sense of loss or grief

5. (plural)

a polite expression of sadness, esp in a formal refusal of an invitation

verb transitiveWord forms: reˈgretted or reˈgretting

1.

to feel sorry about or mourn for (a person or thing gone, lost, etc.)

2.

to feel troubled or remorseful over (something that has happened, one's own acts, etc.)

noun

3.

a troubled feeling or remorse over something that has happened, esp. over something that one has done or left undone

4.

sorrow over a person or thing gone, lost, etc.

adv.

1. To an extent deserving of regret: a regrettably brief career.

2. As a matter of regret: Regrettably, the book is not available.