awe

– noun
1. an overwhelming feeling of reverence, admiration, fear, etc., produced by that which is grand, sublime, extremely powerful, or the like.
2. power to inspire fear or reverence.
3. fear or dread.

awe•some

– adj.
1. inspiring awe.
2. showing or characterized by awe.
3. very impressive.

aw•ful

- adj.
1. extremely bad; unpleasant; ugly.
2. inspiring fear; dreadful; terrible.
3. solemnly impressive; inspiring awe.
4. full of awe; reverential.
5. extremely dangerous, risky, injurious, etc.
– adv.
6. very; extremely.