"wrinkling" in the verb sense
1. purse, wrinkle
gather or contract into wrinkles or folds pucker
"purse ones's lips"
2. wrinkle, ruckle, crease, crinkle, scrunch, scrunch up, crisp
make wrinkles or creases on a smooth surface make a pressed, folded or wrinkled line in `crisp' is archaic
"The dress got wrinkled"
"crease the paper like this to make a crane"
3. furrow, wrinkle, crease
make wrinkled or creased
"furrow one's brow"
4. rumple, crumple, wrinkle, crease, crinkle
become wrinkled or crumpled or creased
"This fabric won't wrinkle"
Source: WordNet® (An amazing lexical database of English)
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