unbend

verb

1. straighten up or out; make straight

   verb.motion

   Synonyms straighten

   Antonyms bend flex

   Source: WordNet 3.0

2. unfasten, as a sail, from a spar or a stay

   verb.contact

   Source: WordNet 3.0

3. free from flexure

   verb.contact

   Examples

   Unbend a bow.

   Antonyms bend deform flex turn twist

   Source: WordNet 3.0

4. make less taut

   verb.change

   Synonyms relax

   Source: WordNet 3.0

5. become less tense, rest, or take one's ease

   verb.body

   Synonyms decompress loosen up relax slow down unwind

   Antonyms tense tense up

   Source: WordNet 3.0

6. release from mental strain, tension, or formality

   verb.body

   Examples

   Unbend the mind from absorbing too much information.

   Source: WordNet 3.0

7. To free from flexure; to make, or allow to become, straight; to loosen; as, to <i>unbend</i> a bow.

   verb

   Source: webster1913

8. To cease to be bent; to become straight or relaxed.

   verb

   Source: webster1913