Whole Cloth Definition

noun

Pure fabrication or fiction.

American Heritage

A newly made textile which has not yet been cut.

Wiktionary

(figuratively, used attributively or preceded by various prepositions) The fictitious material from which complete fabrications, lies with no basis in truth, are made.

Mr. Doe's account of the accident was made from whole cloth.

Wiktionary

Something made completely new, with no history, and not based on anything else.

The plans for the widget were drawn from whole cloth.

Wiktionary

adverb

(idiomatic) In full extent, wholesale, entirely, without changes or additions.

Wiktionary

Idioms, Phrasal Verbs Related to Whole Cloth

out of whole cloth

Origin of Whole Cloth

From the fabrication of garments out of newly manufactured, full-sized pieces of cloth

From American Heritage Dictionary of the English Language, 5th Edition
From whole +"Ž cloth.

From Wiktionary