Hollow
Hollow noun - A sunken area forming a separate space.
Usage example: made a little hollow in her mound of mashed potatoes and filled it with gravy
Trough is a synonym for hollow in channel topic. In some cases you can use "Trough" instead a noun "Hollow", when it comes to topics like cavity, hole, empty or dented area. popular alternative
Mutual synonyms
Cite this Source
Trough and Hollow. (2016). Retrieved 2023, February 02, from https://thesaurus.plus/related/hollow/trough
Hollow & Trough. N.p., 2016. Web. 02 Feb. 2023. <https://thesaurus.plus/related/hollow/trough>.
Trough or Hollow. 2016. Accessed February 02, 2023. https://thesaurus.plus/related/hollow/trough.
Google Ngram Viewer shows how "hollow" and "trough" have occurred on timeline