expression, noun-modifying (irregular)
established; acknowledged; leading
Describes a person or entity whose reputation or position is so solid that it cannot be challenged. Often used prenominally (e.g., 押しも押されぬ実力者). Colloquial.
See also: 押しも押されもせぬ
He is now an established, leading writer.
押しも押されぬ実績を持つ企業。
A company with an acknowledged track record.