parallel

Academic Word List, sublist 4.

About 38.45 uses per million words.

Meaning

adjective Equally distant from one another at all points.
The horizontal lines on my notebook paper are parallel.
adjective Having the same overall direction; the comparison is indicated with "to".
The two railway lines are parallel.
adjective Either not intersecting, or coinciding.
adjective Involving the processing of multiple tasks at the same time.
a parallel algorithm
adjective Analogous, similar, comparable.
the parallel lives of two citizens
adjective Coexisting but normally not interacting with the regular reality.
parallel universe
adverb With a parallel relationship.
The road runs parallel to the canal.
noun One of a set of parallel lines.