1. extremely bad; unpleasant; disagreeable. 2. inspiring fear; terrible: an awful noise. 3. solemnly impressive: the awful majesty of the peaks. 4. extremely dangerous, risky, injurious, etc.: an awful fall; to take an awful chance. 5. Informal. very great: an awful lot of money. 6. full of awe; reverential. 7. More @Wikipedia
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