Last Updated
：2026/01/05
くない
Kanji
苦無
Noun
Japanese Meaning
武器としての「くない」は、主に忍者などが用いたとされる道具・武器で、本来は穴を掘ったり石工が使う鏝（こて）に由来すると言われる短い刃物・鉄製の工具。投げたり突き立てたり、登攀の補助などにも用いられたとされる。
Easy Japanese Meaning
にんじゃがなげてつかうちいさいぶき。もとはいしやつちをけずるどうぐ。
Chinese (Simplified) Meaning
日本的投掷短刃武器，常由忍者使用 / 可能源自泥瓦匠的抹刀改造 / 匕首状的铁制飞刀
Chinese (Traditional) Meaning
日本忍者常用的投擲武器 / 形似泥作鏝刀的短刃工具，可能由其演變 / 鐵製尖刃器，可近戰或投擲
Korean Meaning
일본의 투척용 무기 / 미장용 흙손에서 유래한 단검형 도구 / 닌자가 사용하던 다용도 도구·무기
Vietnamese Meaning
Vũ khí ném của Nhật Bản, thường gắn với ninja / Dụng cụ giống bay thợ hồ được cải biên thành vũ khí / Dao sắt ngắn, đầu nhọn, dùng để đâm hoặc ném
Tagalog Meaning
kutsilyong itinatapon na sandata ng Hapon / maliit na punyal na inihahagis / sandatang posibleng hango sa kutsarang pang‑mason
Sense（1）
(weaponry) a Japanese throwing weapon, possibly derived from a masonry trowel
（ romanization ）
Quizzes for review
(weaponry) a Japanese throwing weapon, possibly derived from a masonry trowel
See correct answer
くない
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He is good at using Kunai.
See correct answer
彼はくないを使うのが上手です。
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