交(ま)じり

まじり
suffix, noun
mixed with; -streaked
grammaticaldescriptive
1. mixed with; -streaked
Attached to a noun to mean that something is mixed or streaked with it: 白髪(しらが)交(ま)じり "graying," 雨(あめ)交(ま)じり "with rain mixed in."
A head of graying hair.
Sleet is falling.
彼(かれ)はため息(いき)交(ま)じりに「もう無理(むり)だ」とつぶやいた。
With a sigh, he muttered, "I can't do it anymore."

From the verb 交(ま)じる (to be mixed). Before a noun it takes の; as an adverb, に.

Common patterns

Writing

Also written 混(ま)じり, especially for things physically mixed (砂混(すなま)じり). 交(ま)じり is usual when the parts stay distinct (白髪(しらが)交(ま)じり, 漢字(かんじ)仮名(かな)交(ま)じり文(ぶん)).