irregular

非标准的；不符合规则或期望的。

Nonstandard; not conforming to rules or expectations.

表面粗糙。

Of a surface, rough.

无对称性、规则性或一致性。

Without symmetry, regularity, or uniformity.

违反规则、公认秩序或一般惯例的

contrary to rule or accepted order or general practice

多边形不规则；边不等或角不等。

Of a polygon, not regular; having sides that are not equal or angles that are not equal.

多面体的面不是全为正多边形(或不等倾斜)。

Of a polyhedron, whose faces are not all regular polygons (or are not equally inclined to each other).

词语不遵循某语言中常规或预期的词形变化模式。

Of a word, not following the regular or expected patterns of inflection in a given language.