How to say "hammer" in Japanese

Choosing the right word
  • nounThe loanword for the tool itself, usually a Western-style hammer with a metal head for driving nails; typical in hardware and do-it-yourself contexts.
    私はハンマーを工具箱こうぐばこに入いれています。↗
    I keep my hammer in the toolbox.
  • 槌つちCommon
    nounThe general word for a hand-held striking tool: it covers hammers, mallets, sledgehammers and a judge's gavel, and is the natural choice when the tool is a wooden mallet.
  • かなづちJLPT N1approx.Common
    nounA hammer with a metal head, as opposed to a wooden mallet; idiomatically it can also mean a person who cannot swim, so rely on context.
    彼女かのじょは金かなづちで鏡かがみを粉々こなごなにしました。↗
    She shattered the mirror with a hammer.
  • 教え込むおしえこむCommon
    godan verb, transitive verbThe verb for the figurative sense: to hammer something into someone, that is, to teach it thoroughly or instill it through repetition; it has nothing to do with the physical tool.
    言い換いいかえれば、教育きょういくは知能ちのうに自然しぜんの法則ほうそくを教え込おしえこむことである。↗
    In other words, education is the instruction of the intellect in the laws of Nature.

For the physical tool, choose between the loanword 「ハンマー」, the general 槌, and 「かなづち」 (a metal-headed hammer); for the figurative 'hammer (into)', meaning to teach thoroughly, use 「教え込む」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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