Monstrous
Monstrous adverb - To a great degree.
Threateningly and monstrous are semantically related In some cases you can use "Threateningly" instead an adverb "Monstrous".
Threateningly
Threateningly adverb - In a menacing manner.
Monstrous and threateningly are semantically related in violently topic. Sometimes you can use "Monstrous" instead an adverb "Threateningly".
Cite this Source
Threateningly and Monstrous. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/monstrous/threateningly
Monstrous & Threateningly. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/monstrous/threateningly>.
Threateningly or Monstrous. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/monstrous/threateningly.
Google Ngram Viewer shows how "monstrous" and "threateningly" have occurred on timeline