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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for straighten upblossom, boost, develop, grow, mature, amend, fix, remedy, redress, improve, control, readjust, standardize, monitor, rectify, oversee, govern, administer, adjust, determine
to become or cause to become erect
mainly US to reform or become reformed
verb (sometimes foll by up or out)
to make or become straight
(tr) to make neat or tidystraighten your desk
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
Online Etymology Dictionary, © 2010 Douglas Harper
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.