parallel
adjective
extending in the same direction, equidistant at all points, and never converging or diverging.
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Now his spin brought him around to face it, and he saw it was parallelling his course.
From Badge of Infamy by Lester Del Rey