is-to-be

is-to-be (not comparable)

1. prospective
   • 1836, Frederick Marryat, Mr Midshipman Easy

     "We'll argue that point," replied Jack; "he has attempted the life of my is-to-be, please God, father-in-law, and therefore I have the best claim to him."

   • 1843, The Civil Engineer and Architect's Journal (volume 6, page 263)

     But in regard to the is-to-be façade of the British Museum, nothing is suffered to transpire, nor is curiosity allowed to be gratified. The only positive information relative to it, afforded at present, is that furnished by a ground-plan […]

• so be it, sobeit, tobies