'Dreadful' definitions:

Definition of 'dreadful'

From: WordNet
adjective
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" [syn: awful, dire, direful, dread(a), dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible]
adjective
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" [syn: atrocious, abominable, awful, dreadful, painful, terrible, unspeakable]
adjective
Very unpleasant

Definition of 'Dreadful'

From: GCIDE
  • Dreadful \Dread"ful\, a.
  • 1. Full of dread or terror; fearful. [Obs.] "With dreadful heart." --Chaucer. [1913 Webster]
  • 2. Inspiring dread; impressing great fear; fearful; terrible; as, a dreadful storm. " Dreadful gloom." --Milton. [1913 Webster]
  • For all things are less dreadful than they seem. --Wordsworth. [1913 Webster]
  • 3. Inspiring awe or reverence; awful. [Obs.] "God's dreadful law." --Shak.
  • Syn: Fearful; frightful; terrific; terrible; horrible; horrid; formidable; tremendous; awful; venerable. See Frightful. [1913 Webster]

Synonyms of 'dreadful'

From: Moby Thesaurus