Synonyms of awe-inspiring

1 Syllable
weird, dread, grand
2 Syllables
dreader, sumptuous, well-done, weirder, weirdest, grandest, grander, stunning
3 Syllables
majestic, unwonted, terrible, amazing, fearsome, heartstopping, horrendous, magnific, breathtaking, mind-blowing, wonderful, marvelous, unusual
4 Syllables
monumental, awesome, impressive, astonishing, remarkable
5 Syllables
unordinary