· 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"

Synonym(s): atrocious, abominable, dreadful, painful, terrible, unspeakable

· 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"

Synonym(s): dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible

· offensive or even (of persons) malicious; "in a nasty mood"; "a nasty accident"; "a nasty shock"; "a nasty smell"; "a nasty trick to pull"; "Will he say nasty things at my funeral?"- Ezra Pound

Synonym(s): nasty

· inspired by a feeling of fearful wonderment or reverence; "awed by the silence"; "awful worshippers with bowed heads"

Synonym(s): awed

· extreme in degree or extent or amount or impact; "in a frightful hurry"; "spent a frightful amount of money"

Synonym(s): frightful, terrible, tremendous

· inspiring awe or admiration or wonder; "New York is an amazing city"; "the Grand Canyon is an awe-inspiring sight"; "the awesome complexity of the universe"; "this sea, whose gently awful stirrings seem to speak of some hidden soul beneath"- Melville; "Westminster Hall's awing majesty, so vast, so high, so silent"

Synonym(s): amazing, awe-inspiring, awesome, awing

· used as intensifiers; "terribly interesting"; "I'm awful sorry"

Synonym(s): terribly, awfully, frightfully