退たい歩ほ

noun, noun or participle which takes 'suru', intransitive verb

retrogression; degeneration; deterioration

Describes a backward step, decline, or worsening, often in contrast to 進歩 (progress). Used for skills, conditions, or societal trends.

Antonyms: 進歩

• 練れん習しゅうを怠おこたると、技ぎ術じゅつが退たい歩ほする。

  If you neglect practice, your skills deteriorate.