Opening and Retarding device
Opposite meaning terms
Opening
Opening noun - A favorable combination of circumstances, time, and place.
Retarding device is an antonym for opening.
Retarding device
Cite this Source
Retarding device and Opening. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/opening/retarding_device
Opening & Retarding device. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/opening/retarding_device>.
Retarding device or Opening. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/opening/retarding_device.
Google Ngram Viewer shows how "opening" and "retarding device" have occurred on timeline