前兆・前徴|ぜんちょうzenchou[0]heiban (flat)

1. nounomen; portent; sign; presage; harbinger; premonition; precursor; foreboding; presentiment
   この風かぜは嵐あらしの前兆ぜんちょうだ。↗

   This wind is a sign of a storm.

• Synonym兆候ちょうこうNeutralSigns or symptoms, often medical or from objective observation, as in 「回復の兆候」; 前兆 stresses a warning that comes before an event.
• Synonym兆しきざしNeutralA native word for the first stirrings of change, good or bad, as in 「春の兆し」「悪化の兆し」.
• Synonym前触れまえぶれNeutralAdvance notice, but also an omen; stresses a signal that arrives before the event.
• Synonym気配けはいNeutralA sensed presence or atmosphere; stresses what one feels rather than a sure omen.
• Synonym予兆よちょうNeutralClose to 前兆; often used for disasters and major events, as in 「地震の予兆」.
• SynonymオーメンNeutralLoanword for omen, often suggesting something ominous; rare.
• Related先触れさきぶれWrittenAdvance notice or early sign; found in written/formal prose and rarely used.
• Related幸先さいさきNeutralAn omen at the start of something, usually a good one, as in 「幸先がいい」.

Use 「前兆」 for a sign that something is about to happen, as in 「地震の前兆」「発作の前兆」. For signs of change pick 「兆し」, for observable signs or symptoms 「兆候」, for a good omen at the start 「幸先」, and for a sensed atmosphere 「気配」.

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

1. ある出来事できごとが起おこる前触まえぶれ。