Declivitous
Declivitous adjective - Sloping down rather steeply.
Sudden and declivitous are semantically related. In some cases you can use "Sudden" instead an adjective "Declivitous".
Sudden
Sudden adjective - Not expected.
Declivitous and sudden are semantically related. Sometimes you can use "Declivitous" instead an adjective "Sudden".
Nearby Words: suddenly, suddenness
Mutual synonyms
Cite this Source
Sudden and Declivitous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/declivitous/sudden
Declivitous & Sudden. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/declivitous/sudden>.
Sudden or Declivitous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/declivitous/sudden.
Google Ngram Viewer shows how "declivitous" and "sudden" have occurred on timeline