水洗|すいせんsuisen[0]heiban (flat)

JLPT N1approx.Common
Definitions
  1. noun, suru verb, transitive verbwashing with water; rinsing; flushing
Conjugation
Dictionary form水洗する(すいせんする)
Polite (masu)水洗します(すいせんします)
Negative (nai)水洗しない(すいせんしない)
polite (masen)水洗しません(すいせんしません)
classical zu / nu水洗せず・水洗せぬ(すいせんせず・すいせんせぬ)
Past (ta)水洗した(すいせんした)
polite (mashita)水洗しました(すいせんしました)
Past negative (nakatta)水洗しなかった(すいせんしなかった)
polite (masen deshita)水洗しませんでした(すいせんしませんでした)
Te form水洗して(すいせんして)
Potential水洗できる(すいせんできる)
Passive水洗される(すいせんされる)
Causative水洗させる(すいせんさせる)
Causative passive水洗させられる(すいせんさせられる)
Conditional (ba)水洗すれば(すいせんすれば)
tara水洗したら(すいせんしたら)
Volitional水洗しよう(すいせんしよう)
polite (mashou)水洗しましょう(すいせんしましょう)
Imperative水洗しろ(すいせんしろ)

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

Synonyms & antonyms
  • Synonym水洗いみずあらいNeutralA noun for washing with plain water, fine in both speech and writing, as in 「水洗いOK」; 「水洗」 mostly appears in compounds like 「水洗トイレ」.
  • Synonym洗うあらうNeutralThe most general verb for washing, also used for investigating; 「水洗」 is a noun for rinsing or flushing with water.
  • Related洗濯せんたくNeutralFor washing clothes; 「水洗」 stresses washing with water, and for clothes 「水洗」 is also said when contrasting with dry cleaning.
  • RelatedすすぐNeutralMeans rinsing detergent out with water, and figuratively wiping out a disgrace, as in 「汚名をすすぐ」; 「水洗」 is simply flushing or washing with water.
  • Related洗滌せんできWrittenWritten/formal prose for washing with water or chemicals; in medicine it is now usually written 「洗浄」. 「水洗」 stresses rinsing with water.
  • Related洗いあらいNeutralA noun for washing or scrubbing off dirt, also the dish of sashimi chilled in iced water; 「水洗」 stresses rinsing with water.
  • Antonym乾式かんしきNeutralThe antonym of 「水洗」 as to whether water is used: a dry method without water.

Use 「水洗」 for rinsing or flushing with water, water-flush types, or washing clothes with water, as in 「水洗トイレ」; washing with plain water is also 「水洗い」, as in 「水洗いOK」; for rinsing use 「濯ぐ」, for laundry 「洗濯」, for washing in general 「洗う」; the antonym is 「乾式」.

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

Japanese definitions
  1. 水みずで洗あらうこと。
Kanji in this word
See also

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

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