Desire can be "good" in Buddhism?

Don't look at my bikini butt, okay, you perverts? It's just flesh for sitting on toilet seats.

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Good (beneficial) "desire"

I want to meditate now to make progress.

Chanda: "intention," "desire," "will." 1. As an ethically neutral psychological term, in the sense of "intention," it is one of those general mental concomitants or factors (cetasika, Table II) taught in the Abhidhamma (the "Dhamma in Ultimate Terms"), the moral quality of which is determined by the character of the volition (cetanā) associated with it.

The Commentary explains it as "a wish to do" (kattu-kamyatā-chanda). If intensified, it acts also as a "predominance condition" (see paccaya 3).

2. As an evil quality it has the meaning of "desire," and is frequently coupled with terms for "sensuality," "greed," and so on, for instance: kāma-cchanda, "sensuous desire," one of the Five Hindrances (nīvarana); chanda-rāga, "lustful desire" (kāma). It is one of the Four Wrong Paths (agati, motivated by greed/chanda, hate/dosa, delusion/moha, or fear/bhaya).

3. As a good quality, it is a wholesome (kusala) will, motive, or zeal (dhamma-chanda) and occurs, for example, in the formula of the Four Right Efforts (padhāna): "The meditator rouses will (chandam janeti)..." If intensified, it becomes one of the Four Roads to Power (iddhipāda).

Bad (harmful) "desire"

Oh, hells yeah, look at that butt!

Tanhā (lit. "thirst"): "craving," the chief root of suffering [behind ignorance], and of the ever-continuing cycle of rebirths [known as samsara].

"What, O meditators, is the origin of suffering (disappointment, unsatisfactoriness, off-kilter woe)? It is this craving that gives rise to ever-fresh rebirths and, bound up with [sensual] pleasure and lust, now here, now there, [continues wandering on, trying] to find ever fresh delight.

"It is [threefold:] sensual craving (kāma-tanhā), craving for [eternal] existence (bhava-tanhā), and craving for non-existence (vibhava-tanhā)'' (D.22).

Tanhā is the eighth link in the formula of the Dependent Origination (paticcasamuppāda). Compare also at the kinds of "truth" (sacca).

Corresponding to the six sense-objects, there are six kinds of craving, craving for:

1. visible objects (sights),
2. sounds (auditory experiences),
3. fragrances (aromas),
4. tastes (flavors),
5. tactile impressions (bodily contact),
6. mental impressions (rūpa-, sadda-, gandha-, rasa-, photthabba-, dhamma-tanhā). (M.9; D.15)

Corresponding to the threefold existence, there are three kinds:

1. craving for sensual existence (kāma-tanhā),
2. craving for fine-material existence (rūpa-tanhā) [in the many celestial/dimensional "heavenly" (sagga, deva-lokas) realms],
3. craving for immaterial existence (arūpa-tanhā) [in the four formless worlds] (D.33).

There are 18 "thought-channels of craving" (tanhā-vicarita) induced internally, and 18 induced externally; and as occurring in past, present, and future, which total 108. (See A. IV, 199; Vibh., Ch. 17 Khuddakavatthu-Vibhanga).

According to Dependent Origination, craving is conditioned by feeling; on this see DN 22 (section on the Second Ennobling Truth).

As for "craving for [continued or eternal] existence" (bhava-tanhā), it is said (A.X.62): "No first beginning of the craving for existence can be perceived, O, meditators, before which it was not and after which it came to be. But it can he perceived that craving for existence has its specific [cause and] condition. I say, O, meditators, that craving for existence also has its condition that feeds it (sāharam) and is not [subsisting] without it. And what is that condition? It is 'ignorance,' one must reply."

Craving for [continued] existence and ignorance are called "the outstanding causes that lead to happy and unhappy destinies (courses of existence)." (See The Path of Purification, Vis.M. XVII, 36-42).

The most frequent synonyms of tanhā are rāga ("lust," "greed," "passion") and lobha ("greed"). See the "roots" of good and evil, the skillful and the unskillful, at mūla).

• Ven. Nyanatiloka, Buddhist Dictionary via palikanon.com (chanda and tanhā) edited by Dhr. Seven, Wisdom Quarterly