parallel
adjective
extending in the same direction, equidistant at all points, and never converging or diverging.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Now that con's mental processes must have been paralleling, mine, for he reasoned that it was the very thing I would do.
From The Road by Jack London