Definition of awful :
1. Frightful; exceedingly bad; great; - applied intensively; as, an awful bonnet; an awful boaster.
2. Inspiring awe; filling with profound reverence, or with fear and admiration; fitted to inspire reverential fear; profoundly impressive.
3. Oppressing with fear or horror; appalling; terrible; as, an awful scene.
4. Struck or filled with awe; terror- stricken.
5. Worshipful; reverential; law- abiding.
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awful (part of speech: adjective)