name, noun ·Moderate ·High school level

Definitions

Noun

1. 1
   The state of being serene; calmness; peacefulness. countable, uncountable

   "Forthwith a change came over the waters, and the serenity became less brilliant but more profound."

2. 2
   a disposition free from stress or emotion wordnet
3. 3
   A lack of agitation or disturbance. countable, uncountable
4. 4
   the absence of mental stress or anxiety wordnet
5. 5
   A title given to a reigning prince or similar dignitary. countable, uncountable

Proper Noun

1. 1
   A female given name from English in general use since the 1990s.

Synonyms

All synonyms

peacepeacereposetranquilitytranquillityequanimity

Example

More examples

"Boredom is the feeling that everything is a waste of time; serenity, that nothing is."

Etymology

From Middle English serenyte, from Old French serenité, from Latin serēnitās, equivalent to serene + -ity.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.