How to say "slice" in Japanese

• 切れきれJLPT N3approx.Common
  nounThe general noun for a piece cut off something: a slice, but also a strip or a scrap. Reach for it when you simply mean 'a slice of' something — bread, for instance.
• スライスCommon
  noun, suru verb, transitive verbThe loanword taken straight from English 'slice'. It suits the contexts where the English word itself would sound natural — recipes, menus, kitchen talk — as with slices of bread, cheese, or lemon.
  パイをスライスにしてください。↗

  Cut the pie into slices.
• 切り身きりみCommon
  nounSlice only of meat or fish: a piece cut from the flesh to be eaten — a fillet, as at the fish counter. It does not cover slices of bread or the like.
• 斬るきるJLPT N2approx.Common
  godan verb, transitive verbA verb meaning to kill a person with a blade — sword, machete, knife — as in battle; even its 'slice (off)' sense stays in that violent world, so it is not the verb for slicing food.

For a slice as a thing, 「切れ」 is the general word, 「スライス」 is the English loanword, and 「切り身」 is limited to meat and fish; the verb 「斬る」 means cutting a person down with a blade, not slicing food.

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

• 切れきれpiece
• スライスslice
• 切り身きりみcut
• 斬るきるto kill (a human) using a blade (sword, machete, knife, etc.)
• 一切れひときれslice
• 切片せっぺんsegment