切り捨てる・切捨てる・斬り捨てる|きりすてるkirisuteru[4]nakadaka (mid-high)

1. ichidan verb, transitive verbto cut off and throw away
2. ichidan verb, transitive verbto abandon; to disregard; to discard; to throw to the wolves
   もう少すこしやさしく意見いけんしてあげたらどうなの。一刀両断いっとうりょうだんのもと切り捨きりすてられた彼かれの立場たちばも考かんがえてよ。↗

   Why don't you try expressing your opinion a little more gently? Think about how he feels getting told flatly that he's being cut loose.
3. ichidan verb, transitive verbto discard (numbers after a certain decimal place); to drop; to omit; to ignore; to round down
4. ichidan verb, transitive verbto cut (someone) down; to slay

• Synonym切り取るきりとるNeutralCuts out and takes a piece, from clipping a picture to quoting out of context; the emphasis is on extracting a part, not on discarding.
• Synonym切り除けるきりのけるNeutralCuts something off and away; a less common word whose focus is simply cutting out and removing, without the cold abandonment.
• Related切り離すきりはなすNeutralCuts things apart or breaks a connection; the focus is on separating, and there is no sense of discarding what is cut off.
• Related排除はいじょNeutralRemoves obstacles or refuses to accept something, as in 「障害を排除する」; it does not necessarily carry the cold, cut-loose nuance.
• Related外すはずすNeutralColloquial: unfastens or takes off what is attached, or drops someone from a group; the focus is on taking off, not cutting away.
• Related除外じょがいNeutralPuts something outside a scope so it is not counted; the emphasis is on the range covered, with no cold discarding nuance.
• Related排斥はいせきNeutralRejects or ostracizes, with a hostile edge; the emphasis is on refusing to accept, not on cutting someone off and abandoning them.
• Related省略しょうりゃくNeutralOmits or abbreviates, such as shortening a word; the point is leaving something out or undone, without the cold abandonment.
• Related除くのぞくNeutralThe most versatile of the group: remove, eliminate or exclude; it lacks the cold, ruthless nuance of casting someone aside.
• Related省くはぶくNeutralLeaves something out to save time or effort, as in 「手間を省く」 or 「説明を省く」; it is about omitting, not cutting off and discarding.
• RelatedのけるCasualColloquial: shifts something bothersome aside or out of consideration; the focus is on moving it away, not on discarding it.
• Related略すりゃくすNeutralShortens or abbreviates, and can drop unneeded parts; the emphasis is on making something briefer.
• RelatedカットCasualLoanword for cutting or trimming, as in 「予算カット」; colloquial.
• Related取り除くとりのぞくNeutralClears away obstructions or unwanted things; the nuance is cleaning up, without the ruthlessness toward people.
• Related除去じょきょWrittenWritten style: removal of harmful or superfluous matter, as in 「汚れを除去する」.
• Related取り除けるとりのけるNeutralTakes something away or sets it aside; the emphasis is on moving it out of the way rather than cutting it off and discarding it.
• Antonym救うすくうNeutralAntonym: to rescue or save; the opposite of coldly casting someone aside.
• Antonym保護するNeutralAntonym: to protect; the opposite of leaving people to their fate.

Use 「切り捨てる」 for cutting off an unwanted part, coldly casting someone or something aside (「弱者を切り捨てる」), or rounding down numbers (「小数点以下切り捨て」). For plain removal say 「取り除く」, for omitting say 「省く」; 「切り離す」 and 「切り取る」 just cut apart or out, 「排除」「除外」「排斥」 keep things out of scope, 「省略」「略す」 shorten and 「カット」 trims, and the antonyms are 「救う」 and 「保護する」.

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

1. 切きって不要ふようなものを捨すてる。
2. 人ひとを斬きってそのままにしておく。
3. 見捨みすてる。顧かえりみない。
4. 計算けいさんで不要ふような端数はすうを無視むしする。