Regretfully

/rɪˈɡrɛtfəli/

Synonyms

  • sadly
  • disappointedly
  • lamentably
  • sorrowfully

Slang Meanings

Too bad
I couldn't make it to the party. It was a bummer, regretfully.
Sucks to be me
I forgot my wallet at home. Regretfully, I'm stuck here.