Definition from macmillandictionary.com
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Continue straight on for about 20 yards then turn left.
Sue always looks you straight in the eye when she’s talking to you.
He stared straight ahead.
The car was coming straight at me.
It flew dead straight through the air.
We decided to go straight home.
We put the children straight to bed.
I decided I’d leave straight after breakfast.
I’ll come straight to the point (=say immediately what I want to say).
Sit up straight.
I’m going to tell you straight.
We drove for five hours straight.