一律 (いちりつ) Japanese meaning

一律 (いちりつ) Japanese meaning | Kotomora

Kanji

均きん一いつN1
均一 emphasizes physical or measurable uniformity (e.g., size, temperature), while 一律 emphasizes uniformity of treatment, rules, or standards applied to people or cases.
画かく一いつ的てき
画一的 often carries a negative nuance of being stereotyped or lacking individuality, whereas 一律 is more neutral and simply means 'without exception'.
一いち様ようN1
一様 is a broader word for 'uniform/similar' that can describe appearance or state, while 一律 specifically stresses that a rule or treatment applies equally to all cases without exception.
軒のき並なみN1
一律 stresses a single uniform standard applied equally to all, while 軒並み stresses that literally every single one is affected, without implying a fixed rule.

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画かく一いつ
一律 means applying the same rule or treatment across the board without exception (一律に扱う), whereas 画一 focuses on sameness of form, often implying dull uniformity.
一いっ定ていN3
一律 stresses that a rule or rate is applied equally to everyone without exception, while 一定 simply means a value or condition stays fixed/unchanging.

個こ別べつN1
個別 means handling things case-by-case or individually, the direct opposite of 一律's blanket, same-for-everyone approach.
それぞれN3
一律 means 'uniformly, all the same', the opposite of それぞれ's sense of 'each individually different'.

一いち列れつ
一列 looks and sounds similar to 一律 but means 'a single row/line', unrelated to the idea of uniform treatment.
一いち流りゅうN3
一律いちりつ sounds similar to 一流いちりゅう but means uniform or applied equally across the board, not first-class.

From 一 (one, same) + 律 (rule, regulation). The combination conveys the idea of applying a single rule or standard uniformly.