一様|いちようichiyou[0]heiban (flat)

1. na-adjective, no-adjectiveuniform; equal; even; the same; identical
2. na-adjective, no-adjectivecommon; ordinary; usual

• Synonym均一きんいつNeutralQuantities, prices, and the like show no variation, as in 「100円均一」; 「一様」 stresses an even, uniform state.
• Synonym一律いちりつNeutralTreating everything by the same standard, as in 「一律に扱う」— a blanket approach; 「一様」 is about a consistent state.
• Synonym均質きんしつWrittenWritten register: every part has the same quality or texture—used for materials and for 「均質な集団」; 「一様」 can also mean ordinary.
• Synonym均等きんとうNeutralAbout equal opportunity or distribution, as in 「機会均等」; 「一様」 describes a consistent state, not how things are divided up.
• Synonym同質どうしつWrittenWritten register: several things sharing the same nature; 「一様」 stresses a uniform state and can also mean ordinary.
• Synonym画一かくいつWrittenWritten register: uniformity or standardization that ignores individuality, slightly negative; 「一様」 is neutral and can also mean ordinary.
• Synonym画一的かくいつてきNeutralUniform in a way that often carries a negative nuance of lacking individuality, as in 「画一的な教育」; 「一様」 is more neutral.
• Related同質的どうしつてきWrittenWritten register: having the same components or nature; 「一様」 focuses on a uniform state and applies more broadly, to looks or ideas alike.
• Related等質とうしつWrittenWritten register, used in science and engineering for things of the same substance or quality; 「一様」 is more general and not limited to texture.
• Related首尾一貫したしゅびいっかんしたNeutralConsistent in words, deeds, or policy from start to finish—consistency over time; 「一様」 is about parts being alike.
• Antonym多様たようNeutralAntonym of 「一様」 on the uniform–varied axis: of many kinds, all sorts of things, as in 「多様な意見」.
• Antonym不同ふどうWrittenWritten-register antonym on the even–uneven axis: not alike, irregular, as in 「順不同」.

Use 「一様」 for an even, uniform state with no differences, as in 「一様に驚く」; it can also mean ordinary. For uniform prices or quantities pick 「均一」, for blanket treatment 「一律」, for a negative sense of lacking individuality 「画一的」, and for the opposite 「多様」.

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

1. 同一どういつであること。また、そのさま。同様どうよう。
2. 一通ひととおり。並なみ。