Out of the corner of his eye Gatsby saw that the blocks of the sidewalks really formed a ladder and mounted to a secret place above the trees — he could climb to it, if he climbed alone, and once there he could suck on the pap of life, gulp down the incomparable milk of wonder.
There are no more uses of "incomparable" in the book.
Show samples from other sources
"This hand makes sounds incomparable to anything I’ve ever heard.
Kiera Cass -- The Elite
A chorus of older women sang a spiritual with voices of ancient, incomparable sorrow.