adjective, vast·i·er, vast·i·est.
Examples from the Web for vasty
You've invented them, haven't you, called them out of the vasty deep sort of thing and brought them up in the way they should go.If Winter Comes|A.S.M. Hutchinson
But these cries came down the long avenues of the centuries; this gaiety was distant in the vasty halls of the long-dead years.The Spell of Egypt|Robert Hichens
At twelve the following night we were neither "far out on the vasty deep" nor on the "Princess Eulalie."
I say, mother,” said Horace, “suppose we call up the spirits from the vasty deep and ask them to get tea ready.Reginald Cruden|Talbot Baines Reed
To-morrow night at twelve o'clock we shall be far out on the vasty deep.