Serious
Serious adjective - Involving potential loss or injury.
Usage example: a serious accident
Threatening is a synonym for serious in dangerous topic. In some cases you can use "Threatening" instead an adjective "Serious", when it comes to topics like ugly, crucial.
Nearby Words: seriously, seriousness
Threatening
Threatening adjective - Involving potential loss or injury.
Usage example: threatening rocks lined that narrow stretch of the river through which we would be rafting
Serious is a synonym for threatening in dangerous topic. You can use "Serious" instead an adjective "Threatening", if it concerns topics such as ugly.
Mutual synonyms
Related pairs
- critical and serious
- critical and threatening
- heavy and serious
- heavy and threatening
- nasty and serious
- nasty and threatening
- grave and serious
- grave and threatening
- perilous and serious
- perilous and threatening
- hazardous and serious
- hazardous and threatening
- dangerous and serious
- dangerous and threatening
Both words in one sentence
- The main villains of each of the Rush Hour movies, Shanghai Noon and Shanghai Knights play up the serious and threatening aspects of each movie.
Source: Knight Of Cerebus / Film - The heroes could be walking through the dark forest, right into a very serious and threatening ambush of two rat creatures.
- He looks like a more serious and threatening version of original Dragon Ball Big Bad Emperor Pilaf, to the point that they share the same voice actor.
Source: Anime / Dragon Ball Z: Dead Zone
Cite this Source
Threatening and Serious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/serious/threatening
Serious & Threatening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/serious/threatening>.
Threatening or Serious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/serious/threatening.
Google Ngram Viewer shows how "serious" and "threatening" have occurred on timeline