How to say "bite" in Japanese

Choosing the right word
  • 噛むかむJLPT N4approx.Common
    godan verb, transitive verbThe basic verb for the act of biting with the teeth — a dog bites, you bite into food or bite your nails. For the plain action 'to bite', this is the word you want.
    爪つめを噛かむのはよしなさい。↗
    Don't bite your nails.
  • 噛み付くかみつくCommon
    godan verb, intransitive verbBiting with aggression: lunging to snap at someone or something, as a startled dog snaps at a reaching hand. The nuance is an attacking, snapping bite rather than a single quiet bite.
    ほえる犬いぬが必かならずしもかみつくわけではない。↗
    Barking dogs don't always bite.
  • 一口ひとくちCommon
    nounThe noun 'bite': a mouthful or morsel of food, as in taking a bite of something or offering someone a bite. It is not a verb, so it never names the act of biting itself.
    ライオンはウサギをひと口くちで食たべた。↗
    The lion ate the rabbit in one bite.
  • 刺すさすJLPT N2approx.Common
    godan verb, transitive verbChiefly 'to sting': when an insect 'bites' you, this is the verb to reach for; it is really a stinging word, not one for the bite of a dog or a person.
    蚊かにたくさん刺さされました。↗
    I got a lot of mosquito bites.
  • しみるJLPT N1approx.Common
    ichidan verb, intransitive verbNot a biting action at all: it describes a stinging, smarting sensation, as when the cold 'bites'. Use it for the bite of cold on the skin, not for teeth or animals doing the biting.
    石せっけんが目めにしみました。↗
    The soap hurt my eyes.

For the physical act of biting use 「噛む」, with 「噛み付く」 for an aggressive snap; 一口 is the noun for a bite of food, 「刺す」 covers insect bites and stings, and 「しみる」 is the stinging bite of cold.

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

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

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