'Straighten' definitions:

Definition of 'straighten'

From: WordNet
verb
Straighten up or out; make straight [syn: straighten, unbend] [ant: bend, flex]
verb
Make straight [syn: straighten, straighten out]
verb
Get up from a sitting or slouching position; "The students straightened when the teacher entered"
verb
Put (things or places) in order; "Tidy up your room!" [syn: tidy, tidy up, clean up, neaten, straighten, straighten out, square away]
verb
Straighten by unrolling; "roll out the big map" [syn: roll out, straighten]
verb
Make straight or straighter; "Straighten this post"; "straighten hair"

Definition of 'Straighten'

From: GCIDE
  • Straighten \Straight"en\, v. t. A variant of Straiten. [Obs. or R.] [1913 Webster]

Definition of 'Straighten'

From: GCIDE
  • Straighten \Straight"en\, v. t. [imp. & p. p. Straighted; p. pr. & vb. n. Straighting.]
  • 1. To make straight; to reduce from a crooked to a straight form. [1913 Webster]
  • 2. To make right or correct; to reduce to order; as, to straighten one's affairs; to straighten an account. [1913 Webster]
  • To straighten one's face, to cease laughing or smiling, etc., and compose one's features. [1913 Webster]