All 6 Uses of

renounce
in
The Magic Mountain

As matters now stood, Hans Castorp had almost totally renounced such feelings, and instead it was the Italian who annoyed him with that conceited talk about "Parthians and Scythians"—without even specifying the Bad Russian table, where those students sat with heads of thick hair and not a trace of collar or cuff, arguing in their alien tongue, apparently unable to express themselves in any other, a boneless language that reminded Hans Castorp of a thorax without ribs, like the one Director Behrens had described recently.†
Chpt 5.4

renounced = formally rejected, gave up, or turned away from

All institutions dedicated to genuine education have always known that there can be only one central truth in any pedagogy, and that is: absolute authority and an ironclad bond—discipline and sacrifice, renunciation of the ego and coercion of the personality.†
Chpt 6.3 *

renunciation = an act of formally rejecting, giving up, or turning away from

Two or three days of full sunshine a month—even when they burst so splendidly out of the blur of foggy gray and thick cloud cover, spreading a deep, deep velvet blue behind the white peaks, scattering sparkling diamonds, and delightfully searing your face and the back of your neck—two or three such days over the course of so many weeks were not enough to help the mood of people whose fate justified their making extraordinary demands in the way of consolation and who presumed that in return for having renounced the joys and torments of flatland humanity, they had signed on for an easy and enjoyable, if rather lifeless life—on perfectly favorable terms, until time itself was abrogated.†
Chpt 6.7

renounced = formally rejected, gave up, or turned away from

Amneris fervently strives to convince the tenor to renounce his slave girl, tells him it will cost him his life, but in response to her desperate pleas, the tragically infatuated tenor, having already turned his back on life, can only reply: "I cannot!" and "In vain!"†
Chpt 7.7

renounce = formally reject, give up, or turn away from

What they cared about was convincing Hans Castorp to renounce his abstinence.†
Chpt 7.8

Definition:

to formally reject, give up, or turn away from

(as in to give up the power of a monarch, to change belief, behavior, support, or association)