頭の鈍い (あたまのにぶい) Japanese meaning | KotomoraMeanings
1
expression, i-adjective
dim-witted; slow; dull
Describes someone who is not quick to understand or think; a mildly derogatory, informal expression.
あの
子
は
頭
の
鈍
い
ところ
が
ある
けど
、
努
力
家
だ
。
That kid is a bit slow, but he's a hard worker.
A phrase combining 頭 (head, mind) + の (possessive particle) + 鈍い (dull, slow). The literal meaning is 'dull of head', referring to mental slowness.