dreadful
日本語WordNet
causing fear or dread or terror; "the awful war"; "an awful risk"; "dire news"; "a career or vengeance so direful that London was shocked"; "the dread presence of the headmaster"; "polio is no longer the dreaded disease it once was"; "a dreadful storm"; "a fearful howling"; "horrendous explosions shook the city"; "a terrible curse"
exceptionally bad or displeasing; "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"
very unpleasant
JMdict
AIによる解説
Causing great fear or shock; extremely bad or unpleasant.
ライセンス: KeyLang Original
I'm dreadfully sorry for the inconvenience.
ご不便をおかけして大変申し訳ありません。
Pronunciation data from ipa-dict (MIT License) based on cmudict-ipa by @lingz