1. extraordinarily good or great; used especially as intensifiers

- a marvelous collection of rare books

Similar word(s): extraordinary, fantastic, grand, howling, marvellous, rattling, terrific, tremendous, wonderful, wondrous, raging

2. too improbable to admit of belief

Similar word(s): incredible, unbelievable, improbable, marvellous, tall

3. being or having the character of a miracle

Similar word(s): supernatural, marvellous, miraculous

Sentences with marvelous as an adjective:

- I went to a marvelous party last week.