1. to make or become straight or straighter
2. to make neat, orderly, or organized
3. to correct or resolve a problem or misunderstanding

Examples

• She straightens her hair every morning before work.
• The carpenter straightens the bent nail with his hammer.
• Mom straightens up the living room before guests arrive.
• He straightens his tie before the important meeting.
• The teacher straightens out the confusion about the assignment.
• The road straightens after the sharp curve.
• She straightens the crooked picture on the wall.