Definition of "unvisitable"
(obsolete) Unsuitable for visiting.
Quotations
This resolution she accordingly executed; and the next morning before the sun, she huddled on her cloaths, and at a very unfashionable, unseasonable, unvisitable hour, went to Lady Bellaston, to whom she got access, without the least knowledge or suspicion of Sophia, who, though not asleep, lay at that time awake in her bed, with Honour snoring by her side.
1749, Henry Fielding, The History of Tom Jones, a Foundling, volumes (please specify |volume=I to VI), London: A[ndrew] Millar, […]