unwrinkling

Verb

unwrinkle (third-person singular simple present unwrinkles, present participle unwrinkling, simple past and past participle unwrinkled)

1. (transitive) To remove wrinkles from.
   • He and she sat side by side like two wax people while the waiter stretched across to unwrinkle the tablecloth and straighten the knives.1935, Elizabeth Bowen, The House in Paris, New York: Vintage, published 1957, Part Two, p. 140

   Synonyms:

   flatten out, smooth

2. (intransitive) To stop being wrinkly; to become flat or smooth.
   • His head protruded out of his torn collar much as the head of the tortoise protrudes from its shell, the throat unwrinkling, the eyes like beads, or pips of jet.1959, Mervyn Peake, chapter 66, in Titus Alone, New York: Ballantine, published 1968, page 179