Definitions

1. verb

to open or spread something out, often something folded or rolled

“The photographer asked the model to unfolden her arms and stretch out her body.”

2. noun

the act of opening or spreading something out

“The process of unfolden was a crucial step in the craft of origami.”

3. past tense of ‘unfold’

past tense of the verb ‘unfold’

“The designer had to unfolden the fabric to create the perfect pattern.”