A pair of lines or surfaces that are always the same distance apart.

समानांतर

English Usage: The road runs parallel to the river.

Hindi Usage: सड़क नदी के समानांतर चलती है।

A range or a group of things.

पट्टी

English Usage: The parallel bands of color on the flag represent different regions.

Hindi Usage: ध्वज पर समानांतर रंगों की पट्टियां विभिन्न क्षेत्रों का प्रतिनिधित्व करती हैं।

Similar in some way; comparable.

समान

English Usage: Their experiences were parallel in many ways.

Hindi Usage: उनके अनुभव कई मायनों में समान थे।