How to say "mourn" in Japanese

• 悔やむくやむJLPT N2approx.Common
  godan verb, transitive verbMourning in the sense of grieving over a death and lamenting the loss, as when offering condolences; the verb also means to regret or repent, so context distinguishes the senses.
  あの方ほうがあんなに若わかくして亡なくなったことは悔くやまれます。↗

  It is regrettable that she should have died so young.
• 悼むいたむCommon
  godan verb, transitive verbThe natural choice for mourning a person's death: grieving over the deceased and feeling or expressing that sorrow, as at a funeral.
  人々ひとびとは彼かれの突然とつぜんの死しを深ふかく悼いたんだ。↗

  People regretted his sudden death deeply.
• 憂えるうれえるCommon
  ichidan verb, transitive verb, intransitive verbSeldom the word you want for mourning a death; its sorrow is really directed at a situation or state of affairs, with a nuance of anxiety over how things may go.

「悼む」 is the direct verb for mourning someone's death; 「悔やむ」 likewise mourns the dead, especially in condolences, but also means to regret; 「憂える」 expresses sorrow or anxiety over a situation rather than a death.

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

• 悔やむくやむto mourn
• 悼むいたむto grieve over
• 弔するちょうするto mourn
• 憂えるうれえるto lament
• 憂ううれうto lament
• 憂いるうれいるto lament