Standard Lemma guide

kunai

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A Japanese tool and weapon, possibly derived from the masonry trowel, used as a weapon by ninja or samurai.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A species of grass, Imperata cylindrica, native to tropical and subtropical regions of Asia, Australasia, Africa, and southern Europe, and widely introduced to the New World.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Japanese 苦無 (くない, kunai).

From Tok Pisin kunai (“grass, grassland”), from Tolai kunəi (“long grass”).

Across languages

Translations

10 source translations are retained for this English entry.

  • Esperanto: kunajo — tool and weapon
  • French: kunaï — tool and weapon
  • Hebrew: קונאי — tool and weapon
  • Japanese: 苦無 (kunai) — tool and weapon
  • Korean: 구나이 (gunai) — tool and weapon
  • Marathi: कुनाइ (kunāi) — tool and weapon
  • Persian: کونای — tool and weapon
  • Russian: кунай (kunaj) — tool and weapon
  • Thai: คุนะอิ — tool and weapon
  • Ukrainian: кунай (kunaj) — tool and weapon