Obstruct
Obstruct verb - To create difficulty for the work or activity of.
Usage example: this would go much faster if you would stop obstructing me with your constant interruptions
Retard is a synonym for obstruct in impede topic. In some cases you can use "Retard" instead a verb "Obstruct", when it comes to topics like obstruction, prevent, hold up.
Retard
Retard verb - To cause to move or proceed at a less rapid pace.
Usage example: an herbicide to retard the growth of weeds
Mutual synonyms
Cite this Source
Retard and Obstruct. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/obstruct/retard
Obstruct & Retard. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/obstruct/retard>.
Retard or Obstruct. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/obstruct/retard.
Google Ngram Viewer shows how "obstruct" and "retard" have occurred on timeline