awful:

[I. objectively: Awe-inspiring.]
1. Causing dread; terrible, dreadful, appalling.
2. Worthy of, or commanding, profound respect or reverential fear.
3. Solemnly impressive; sublimely majestic.
4. a. slang. Frightful, very ugly, monstrous; and hence as a mere intensive deriving its sense from the context = Exceedingly bad, great, long, etc.
b. As adv. = awfully
[II. subjectively: Filled with awe.]
†5. Terror-stricken; timid, timorous, afraid. Obs.
6. Profoundly respectful or reverential.