襲来|しゅうらいshuurai[0]heiban (flat)

1. noun, suru verb, intransitive verbinvasion; raid; attack; visitation (of a calamity)

• Synonym侵攻しんこうWrittenWritten/formal. Troops attacking another country; stresses the military operation itself. Not said of natural disasters.
• Synonym来襲らいしゅうWrittenWritten/formal. Nearly synonymous with 「襲来」; fits enemy aircraft or typhoons, as in 「台風の来襲」. The two are often interchangeable.
• Synonym襲撃しゅうげきNeutralNeutral. A surprise attack, typically on individuals or a base, as in 「襲撃事件」.
• Related侵略しんりゃくWrittenWritten/formal. A state's invasion of another's territory or sovereignty, with a political flavour; 「襲来」 suggests an enemy or typhoon bearing down.
• Related侵入しんにゅうNeutralNeutral. Entering or breaking into an area without permission, as in 「不法侵入」; stresses getting inside a zone.
• Related侵犯しんぱんWrittenWritten/formal. Violating territory or rights, as in 「領空侵犯」; stresses crossing a boundary line.
• Related攻撃こうげきNeutralNeutral. The most general word for attacking; also covers verbal attacks. Not used for disasters sweeping in.
• RelatedせめNeutralNeutral. Going on the offensive; stresses taking the initiative, as in 「攻めの姿勢」; a tactical flavour.
• Related進攻しんこうWrittenWritten/formal. Advancing troops to attack; stresses military movement forward. Not said of typhoons.
• Related攻略こうりゃくWrittenWritten/formal. Capturing territory or defeating an opponent; also clearing game levels. Stresses taking something.
• Related侵食しんしょくWrittenWritten/formal. Gradual encroachment, often of territory or market share; also physical erosion.
• Related乱入らんにゅうNeutralNeutral. Bursting in to disrupt, as in 「会場に乱入」; typically of crowds or groups.
• RelatedアタックCasualColloquial loanword. An attack or a bid at a hard challenge, mainly in sports and mountaineering. Not for disasters sweeping in.
• Related侵襲しんしゅうWrittenWritten/formal. In medicine, surgery and similar procedures assailing the body; a mainly medical term.
• Related蚕食さんしょくWrittenWritten/formal. Nibbling away at territory bit by bit, like a silkworm eating mulberry leaves.
• Related来攻らいこうWrittenWritten/formal. Enemy forces coming to attack one's country; rare and rather old-fashioned.
• Antonym撤退てったいNeutralNeutral. Pulling back or withdrawing; the opposite of the incoming attack that 「襲来」 describes.
• Antonym退却たいきゃくWrittenWritten/formal. Falling back or retreating; the opposite of the onrush 「襲来」 describes.

For an enemy army, typhoon or cold wave bearing down, use 「襲来」, as in 「寒波襲来」; written 「来襲」 is nearly synonymous and often interchangeable. For attacking in general, including verbal attacks, say 「攻撃」; for a state's aggression say 「侵略」; for pulling back, 「撤退」. The rest are narrower: 「侵入」「乱入」 entering an area; 「侵攻」「進攻」 military advances; 「襲撃」 surprise attacks; 「攻略」 capture or clearing levels; 「侵食」「蚕食」 gradual encroachment; 「アタック」 sports or climbing challenges.

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

1. なにかが襲おそって来くること。
2. むかしから受け継うけつぐこと。