straighten

[ streyt-n ]
/ ˈstreɪt n /

verb (used with or without object)

to make or become straight in direction, form, position, character, conduct, condition, etc. (often followed by up or out).

Origin of straighten

First recorded in 1535–45; straight + -en1
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for straighten up (1 of 2)

straighten up


verb (adverb)

to become or cause to become erect
mainly US to reform or become reformed

British Dictionary definitions for straighten up (2 of 2)

straighten

/ (ˈstreɪtən) /

verb (sometimes foll by up or out)

to make or become straight
(tr) to make neat or tidystraighten your desk
Derived Formsstraightener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for straighten up

straighten


v.

1540s, from straight + -en (1). Related: Straightened; straightening.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with straighten up

straighten up


Make tidy, as in Let's get this room straightened up. [Second half of 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.