A frenzy of emotion

• As for something unattainable

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nympholepsy \Nym"pho*lep`sy\ (n[i^]m"f[-o]*l[e^]p`s[y^]), n. A species of demoniac enthusiasm or possession coming upon one who had accidentally looked upon a nymph; ecstasy. [R.] --De Quincey. The nympholepsy of some fond despair. --Byron.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"frenzy or rapture supposed to take hold of a man upon gazing on a nymph," 1775, coined by Richard Chandler, in "Travels in Greece," from nymph , on model of epilepsy , with second element from stem of Greek lambanein "to take." Especially "an ecstasy or ...

Wiktionary Word definitions in Wiktionary
n. A frenzied state of (usually erotic) emotion, especially concerning something or someone unattainable.

WordNet Word definitions in WordNet
n. a frenzy of emotion; as for something unattainable

Wikipedia Word definitions in Wikipedia
Nympholepsy was the belief of the ancient Greeks that individuals could be possessed by the nymphs . Individuals who considered themselves nympholepts would display a great religious devotion to the nymphs. An example is Archedemos of Thera , who built ...