杓子定規 しゃくしじょうぎ Also written しゃくし定規 Meanings な-adjective, Noun strict; hidebound; inflexible; being a stickler for the rules; sticking hard and fast to the rules Kanji 杓 ladle; scoop. Read as シャク. 子 child 定 fix. Read as ジョウ. 規 rule. Read as キ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists