Synonym: clean up, neaten, roll out, square away, straighten out, tidy, tidy up, unbend. Similar words: tighten, fighter, strain, constraint, highlight, daughter, trail, trait. Meaning: ['streɪtn] 
v. 1. straighten up or out; make straight 2. make straight 3. get up from a sitting or slouching position 4. put (things or places) in order 5. straighten by unrolling 6. make straight or straighter.
v. 1. straighten up or out; make straight 2. make straight 3. get up from a sitting or slouching position 4. put (things or places) in order 5. straighten by unrolling 6. make straight or straighter. 
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61 I tried to straighten it out but I think I only made it worse.
62 You'd better straighten up or you'll never make it out of high school.
63 As you step-tap on to alternate feet,(http://sentencedict.com/straighten.html) straighten and bend the left elbow to work the front of the arm.
64 As they straighten, curve the spine and pull in the tummy, as if you have just received a blow.
65 There was hardware available to straighten women's backs, necks, and shoulders.
66 She was trying to straighten an anorak around Sonja's pitifully slight frame.
67 Then you have to stand there trying to straighten out the wrinkled piece of money.
68 Can we have a bit or order here? Someone straighten those desks out to start with!
69 Force of habit compelled her to stop and straighten the quilt.
70 He tried to straighten out the brim but it had been curled and folded so often it was beyond repair.
71 I tried to straighten up, but another wave of nausea swept over me and I vomited again.
72 Lying on your back, first bend the knees then straighten the legs. 13.
73 She would touch her hair then fiddle with her hat and pretend to straighten her dress.
74 My aim in this chapter will be to straighten out the rhetorical mess.
75 Every day people straighten up the hair, why not the heart? Che Guevara 
76 Gradually straighten the legs until you are standing upright, then lower slowly to the floor without jerking.
77 Lift the chair with your head still against the wall. Try to straighten up while still holding the chair.
78 But he doesn't review them, he doesn't try to straighten out the sheets yet again - not now anyway.
79 He snapped at the men to pick up their feet and straighten their shoulders.
80 Bending your arms, lower your upper body backwards towards the ground and then straighten them without locking the elbows.
81 If you're lifting something heavy, be careful not to hurt your back when you straighten up.
82 First of all, we should straighten out their thinking.
83 What calls arteriosclerosis sex head to straighten dead?
84 Come as soon as you can straighten things out.
85 Make beds and straighten up rooms.
86 We must straighten out our thinking on this issue.
87 Automatically straighten images to a reference line.
88 Make beds and straighten rooms.
89 He would be apt to straighten the tie.
90 These probloms will straighten out in time.