lean-witted

archaic

(archaic) Lacking in sense or shrewdness.

Japanese Meaning

判断力や機知に欠けた / 浅はかで愚かな / 理解力が乏しい

The lean-witted apprentice followed every rumor without question, causing more harm than good.

思慮の乏しい見習いは、疑うことなく噂に従い、かえって害を招いた。

Sense（1）

(archaic) Lacking in sense or shrewdness.

And thou a lunatic lean-witted fool

Presuming on an ague's privilege

more lean-witted

（ comparative ）

most lean-witted

（ superlative ）