regrettably
1 ENTRIES FOUND:
Britannica Dictionary definition of REGRETTABLY
[more regrettably; most regrettably]
1
— used to say that something is disappointing or regrettable
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Regrettably [=unfortunately], I cannot go.
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Regrettably, the movie theater was shut down.
2
:
to an extent that causes disappointment or regret
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There has been a regrettably [=disappointingly] large decline in wages.
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The progress of the work was regrettably slow.
