Meaning ofstraightenin English

Verb

1. to make something straight; aligned
   She will straighten the bent wire to fix it.
2. to become straight; no longer bent
   The tree branch will straighten out as it grows.
3. to organize; tidy up (a space, situation)
   Please straighten up your room before the guests arrive.
4. to clarify; explain (an idea, concept)
   I need you to straighten out the concept so I can understand.
5. to stand up from a sitting position
   After sitting for a long time, she decided to straighten up and stretch.