侵食・侵蝕|しんしょくshinshoku[0]heiban (flat)

Common
Which spelling to use
侵食侵食 is the most common written form and the recommended choice for beginners. Use it when writing this word.
侵蝕侵蝕 is a less common written form of the same word. Recognize it when encountered, but choose 侵食 for writing.
Definitions
  1. noun, suru verb, transitive verbencroachment; invasion; erosion (e.g. of market share, rights)
    Urbanization is encroaching on rural life.
  2. noun, suru verb, transitive verb, geologyerosion; corrosion
Conjugation
Dictionary form侵食する(しんしょくする)
Polite (masu)侵食します(しんしょくします)
Negative (nai)侵食しない(しんしょくしない)
polite (masen)侵食しません(しんしょくしません)
classical zu / nu侵食せず・侵食せぬ(しんしょくせず・しんしょくせぬ)
Past (ta)侵食した(しんしょくした)
polite (mashita)侵食しました(しんしょくしました)
Past negative (nakatta)侵食しなかった(しんしょくしなかった)
polite (masen deshita)侵食しませんでした(しんしょくしませんでした)
Te form侵食して(しんしょくして)
Potential侵食できる(しんしょくできる)
Passive侵食される(しんしょくされる)
Causative侵食させる(しんしょくさせる)
Causative passive侵食させられる(しんしょくさせられる)
Conditional (ba)侵食すれば(しんしょくすれば)
tara侵食したら(しんしょくしたら)
Volitional侵食しよう(しんしょくしよう)
polite (mashou)侵食しましょう(しんしょくしましょう)
Imperative侵食しろ(しんしょくしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym浸食しんしょくNeutralGeographic term for water and wind wearing away rock and land; the standard spelling, often interchangeable with 「侵食」. Figurative encroachment is normally written 「侵食」.
  • Synonym蚕食さんしょくWrittenWritten/formal prose. Figurative: encroaching on another's domain bit by bit, like a silkworm eating mulberry leaves, as in 「市場を蚕食する」.
  • Antonym堆積たいせきNeutralDeposition of earth and sand carried by water or wind; the opposite of the wearing-away in 「侵食」.
  • Antonym堆積作用たいせきさようWrittenWritten/formal prose. Geological term for sedimentation; the counterpart of 「侵食作用」.

For water or wind wearing away the land, use 「侵食」 or 「浸食」; 「侵食」 also covers figurative encroachment. For gradual takeover, 「蚕食」 (written). For sediment building up, use 「堆積」.

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

Japanese definitions
  1. 他人たにんの領地りょうちを徐々じょじょに侵おかし損そこなうこと。
  2. 水みずや風かぜなどが陸地りくちや岩石がんせきを次第しだいに削り取けずりとっていくこと。
Kanji in this word
English equivalents

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