chasmous

Like a chasm or gulf.

Then was heard the mountain torrent Swelling with a mighty current Craggy rocks and boulders o'er Like the sullen thunders' roar In the chasmous dell beneath, Hearing which the Elephant Down that perilous descent Madly plunging met his death.

There's always an arranged marriage. I can attest to their efficacy – though perhaps you should try an age gap less chasmous than Cesco's. Or mine! Also, it seems to me that if a woman wooed you, you could marry her.

Cavernous, like a vast hollow space.

Where once, off Cape Musandam, Indian sailors would pause for the sake of a propitious voyage to cast flowers, coconuts and fruit, or launch a model boat, upon the waters, chasmous oil tankers and cargo ships now process blithely and ...

[...What] they had mistakenly landed on in their fright and confusion, dark raspy voices could be heard, and as Bryn did his best at listening in, he could slightly overhear what was being discussed at the end of that chasmous tunnel.