How to say "partition" in Japanese

• 分割ぶんかつCommon
  noun, suru verb, transitive verbCovers the abstract sense of partitioning or dividing something into parts, such as dividing territory, data, or an estate. Use this when 'partition' means division, not a physical barrier.
  クラスが大おおきすぎるので二ふたつのより小ちいさなグループに分割ぶんかつした。↗

  The class was too big so we split up into two smaller groups.
• 壁かべJLPT N4approx.Common
  nounPrimarily means 'wall'; it can serve as a partition when a wall divides a room or space. If you mean a wall-like divider rather than division in general, this is the word.
  男おとこはビンを壁かべに叩たたきつけた。↗

  The man dashed the bottle against the wall.
• 仕切るしきるJLPT N1approx.Common
  godan verb, transitive verbThe verb 'to partition': to divide or mark off a space or a group of people. Use this when describing the act of partitioning off a room or keeping parties separate.
  庭にわは柵さくで小道こみちと仕切しきられている。↗

  The garden is railed off from the path.
• 仕切りしきりCommon
  nounThe noun for a physical partition, divider, or compartment that separates spaces, such as between rooms or seats. This is usually the best choice when 'partition' means the divider itself.
  ホールは仕切しきりを設もうける前まえは千せん人にん収容しゅうようできた。↗

  The hall could seat a thousand people before it was partitioned.
• 分離ぶんりJLPT N1approx.Common
  noun, suru verb, transitive verb, intransitive verbMeans separation or detachment, with 'partition' as only a secondary gloss. It is seldom the word you want for 'partition'; reach for it when you mean separating things apart, as in segregation of substances.
  マヨネーズの油あぶらは分離ぶんりすることがある。↗

  The oil in mayonnaise sometimes separates from the other ingredients.

Use 「仕切り」 for a physical partition or compartment, 壁 mainly for a wall, 「仕切る」 for the verb 'to partition off', 分割 for dividing something into parts, and 分離 for separating things apart.

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

• 分割ぶんかつpartition
• 壁かべwall
• 仕切るしきるto partition
• 仕切りしきりpartition
• 分離ぶんりseparation
• 区切るくぎるto divide
• 隔てるへだてるto separate (by distance, time, etc.)
• 隔てへだてpartition
• 隔壁かくへきbarrier wall
• 区画くかくdivision
• 区分くぶんdivision
• パーティションpartition
• 隔膜かくまくpartition
• 中仕切なかじきりpartition
• パーティションを切るパーティションをきるto partition (e.g. a hard drive)
• 分け目わけめdividing line
• 区処くしょdividing for administrative purposes