But there was a wrinkle, meant to distinguish between people at different levels of the income scale.
The wrinkle was that Iran came to Vienna saying it did not want the French involved.
This could signify a lot of things: a renewed drive by labor, or some wrinkle in the tax code that I'm not aware of.
c.1400 (implied in wrinkling), probably from stem of Old English gewrinclod "wrinkled, crooked, winding," past participle of gewrinclian "to wind, crease," from perfective prefix ge- + -wrinclian "to wind," from Proto-Germanic *wrankjan (see wrench (v.)). Related: Wrinkled.
"fold or crease in the extenal body," late 14c.; in cloth or clothing from early 15c., probably from wrinkle (v.). Meaning "defect, problem" first recorded 1640s; that of "idea, device, notion" (especially a new one) is from 1817.
To avoid or evade something (1848+)