• WordNet 3.6
    • adj finespun developed in excessively fine detail "finespun distinctions"
    • adj finespun developed with extreme delicacy and subtlety "the satire touches with finespun ridicule every kind of human pretense"
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Webster's Revised Unabridged Dictionary
    • a Finespun Spun so as to be fine; drawn to a fine thread; attenuated; hence, unsubstantial; visionary; as, finespun theories.
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Century Dictionary and Cyclopedia
    • finespun Drawn to a fine thread; minute; hence, over-refined; over-elaborated; subtile: as, fine-spun theories.
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In literature:

Finespun himself will support us, at any rate for a time.
"Can You Forgive Her?" by Anthony Trollope

In poetry:

Slung by a slender finespun thread,
Pendent it hovers o'er thy head,
Ready to drop by its own weight
Upon thy sin-polluted pate:
"A Warning To The Welsh, To Repent, Wrote At The Time A Great Plague Rag'd In London" by Rees Prichard