1Average; ordinary; common — not particularly good or bad.
彼の成績は並だが、いつも努力している。
His grades are average, but he always works hard.
並の人にはできない仕事だ。
This is work that ordinary people can't do.
並で満足するつもりはない。
I don't intend to be satisfied with being average.
2Mid-grade; standard level — a regular or middle grade of an item (below top-tier).
このホテルは一流ではなく、設備は並だ。
This hotel is not first-class; its facilities are average.
牛丼を並で頼んだ。
I ordered a regular-size beef bowl.
並のワインでも十分楽しめる。
Even mid-grade wine can be enjoyable enough.
3As a suffix (〜並み): indicates being on the same level as; equivalent to; comparable to.
彼はプロ並みの腕前だ。
He has skills on a professional level.
彼女の料理は母親並みだ。
Her cooking is on par with her mother's.
その歌手は世界的スター並みの人気がある。
That singer enjoys popularity on par with global stars.
4An archaic suffix usage meaning 'each' or 'every' (e.g. each month). It is rarely used on its own in modern Japanese; it survives mainly as the historical root of 月並み, whose meaning shifted from 'monthly' to 'commonplace, trite'.
5A row or line of things (e.g. a row of houses, trees); the appearance of objects lined up.
海辺の家並みを散歩した。
I walked along the row of houses by the sea.
古い通りの家並みが保存されている。
The rows of houses on the old street have been preserved.