1 a relationship or similarity between two things, especially things that exist or happen in different places or at different times
2 together with and at the same time as something else :
She wanted to pursue her own career in parallel with her husband's.
in parallel with somebody/something
She wanted to pursue her own career in parallel with her husband's.3 be greater, better, worse etc than anything else :
The poverty of hill farmers had no parallel.
have no parallel/be without parallel
The poverty of hill farmers had no parallel.4SG an imaginary line drawn on a map of the Earth, that is parallel to the equator :
the 38th parallel
the 38th parallel