Disrecommend

Near-synonyms: deprecate, discourage, pooh-pooh, discommend (rare)

Source: wiktionary

[P]ut the Caſe that the Nobleman of the ancienter Family does not indeed diſgrace his Dignity, but adds nothing to it; having nothing extraordinary to recommend him or diſrecommend him: Whereas the other, by his perſonal Merit, has rais'd himſelf to an equal Dignity. Which of the two in this Suppoſition deſerves the greater Eſteem?

Source: wiktionary

The female schools established for the wives and daughters of Parsees, Hindoos, and other natives of Bombay, have excited the attention of Lord Falkland [the Governor of Bombay] and Sir [Thomas] Erskine Perry, the chief justice, both of whom, accompanied by Professor Henry Green, paid them a visit; the result was that an attempt to find space for a permanent school-room in one of the ravelins of the fortifications was made, but the chief engineer thought it his duty to disrecommend this proposal, and it was accordingly abandoned. [From the Bombay Times.]

Source: wiktionary

You will find it [a Bloody Mary made with tequila] a splendid pick-me-up, and throw-me-down, and jump-on-me. Strongly disrecommended for mornings after.

Source: wiktionary