7. (adv.)awful Informal. very; extremely: It's awful hot here.
Etymology: (1200–50; ME a(g)heful, aueful. See awe , ful)
Definition of 'awful'
Princeton's WordNet
1. (adj)atrocious, abominable, awful, dreadful, painful, terrible, unspeakable 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"
2. (adj)awful, dire, direful, dread(a), dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific, terrible 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"
3. (adj)nasty, awful 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
4. (adj)awed, awful inspired by a feeling of fearful wonderment or reverence "awed by the silence"; "awful worshippers with bowed heads"
5. (adj)frightful, terrible, awful, tremendous extreme in degree or extent or amount or impact "in a frightful hurry"; "spent a frightful amount of money"
6. (adverb)amazing, awe-inspiring, awesome, awful, awing 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"
7. (adverb)terribly, awfully, awful, frightfully used as intensifiers "terribly interesting"; "I'm awful sorry"