We have put together a list of words that are similar to STRAIGHTEN.

19 Alternative Words Similar to straighten

1 Unbend Verb      Synonym Words Like Unbend
2 Tidy Verb      Synonym Words Like Tidy
3 Neaten Verb      Synonym Words Like Neaten
4 Alter Verb      Synonym Words Like Alter
5 Arrange Verb      Synonym Words Like Arrange
6 Change Verb      Synonym Words Like Change
7 Modify Verb      Synonym Words Like Modify
8 Order Verb      Synonym Words Like Order
9 Bend Verb      Antonym Words Like Bend
10 Straighted Verb-transitive      Form Words Like Straighted
11 Straighting Verb-transitive      Form Words Like Straighting
12 Straiten Verb-transitive      Variant Words Like Straiten
13 Channelise Verb      Hyponym Words Like Channelise
14 Channelize Verb      Hyponym Words Like Channelize
15 Extend Verb      Hyponym Words Like Extend
16 Makeup Verb      Hyponym Words Like Makeup
17 Clean Verb      Hyponym Words Like Clean
18 Make Verb      Hyponym Words Like Make
19 Rear Verb      Hyponym Words Like Rear

2 examples of straighten

1 to straighten one's affairs; to straighten an account
2 straighten hair

10 definitions of straighten

1 To make straight; to reduce from a crooked to a straight form.
2 To make right or correct; to reduce to order.
3 A variant of straiten.
4 make straight
5 make straight or straighter
6 put (things or places) in order
7 straighten up or out; make straight
8 straighten by unrolling
9 get up from a sitting or slouching position
10 To make or become straight or straighter.
We get our data from many different dictionaries across the web:
Wordnik, Wiktionary, Century, American Heritage, Gcide