unfold

From Wiktionary

Word parts[change]

un- + fold.

Pronunciation[change]

Verb[change]

Plain form
unfold

Third-person singular
unfolds

Past tense
unfolded

Past participle
unfolded

Present participle
unfolding

  1. (transitive) If you unfold something, you make it flat.
    I took the origami and unfolded it into a flat sheet of paper.
  2. (transitive) If you unfold a secret, you reveal it.