すり減らす・擦り減らす・磨り減らす|すりへらすsuriherasu[4]nakadaka (mid-high)

Which spelling to use
すり減らすすり減らす is the most common and standard spelling. It is a mixed kanji-and-kana form suitable for ordinary written use.
擦り減らす擦り減らす is a less common mixed kanji-and-kana variant, but it is the form beginners should use as their default.
磨り減らす磨り減らす is the least common of these mixed kanji-and-kana spellings. You may encounter it in writing, but beginners should prefer 擦り減らす.
Definitions
  1. godan verb, transitive verbto wear away; to rub down; to abrade
    すり減へらすのはシーツではなく靴くつにしろ。↗
    Better wear out shoes than sheets.
Conjugation
Dictionary formすり減らす(すりへらす)
Polite (masu)すり減らします(すりへらします)
Negative (nai)すり減らさない(すりへらさない)
polite (masen)すり減らしません(すりへらしません)
classical zu / nuすり減らさず・すり減らさぬ(すりへらさず・すりへらさぬ)
Past (ta)すり減らした(すりへらした)
polite (mashita)すり減らしました(すりへらしました)
Past negative (nakatta)すり減らさなかった(すりへらさなかった)
polite (masen deshita)すり減らしませんでした(すりへらしませんでした)
Te formすり減らして(すりへらして)
Potentialすり減らせる(すりへらせる)
Passiveすり減らされる(すりへらされる)
Causativeすり減らさせる(すりへらさせる)
Causative passiveすり減らさせられる(すりへらさせられる)
Conditional (ba)すり減らせば(すりへらせば)
taraすり減らしたら(すりへらしたら)
Volitionalすり減らそう(すりへらそう)
polite (mashou)すり減らしましょう(すりへらしましょう)
Imperativeすり減らせ(すりへらせ)

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

Transitive / intransitive pair
transitive磨り減らすすりへらす⇄intransitive磨り減るすりへる
靴底くつぞこを磨り減すりへらす
磨り減る emphasizes the event or resulting state, while すり減らす foregrounds the agent acting on something, as in 靴底が磨り減る versus 靴底を磨り減らす.

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

Japanese definitions
  1. 擦すって減へらしたり磨滅まめつさせたりする。
  2. 激はげしく使つかって衰弱すいじゃくさせる。
Kanji in this word
See also

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