serenity

As a noun sanity

is the condition of being sane.

As a proper noun serenity is

in general use since the 1990s.

As a proper noun serenity

is in general use since the 1990s.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a noun chaos

is .

As a proper noun serenity is

in general use since the 1990s.

As a proper noun serenity

is in general use since the 1990s.

As a noun apathy is

complete lack of emotion or motivation about a person, activity, or object; depression; lack of interest or enthusiasm; disinterest.

As a proper noun serenity

is in general use since the 1990s.

As an adjective blissful is

extremely happy; full of joy; experiencing, indicating, causing, or characterized by bliss.

As a proper noun serenity

is in general use since the 1990s.

As an adjective relaxing is

having a quality whereby it is easy to relax when subjected to it.

As a verb relaxing is

.

As a proper noun serenity

is in general use since the 1990s.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a proper noun serenity

is in general use since the 1990s.

As an adjective undefined is

lacking a definition or value.

As a proper noun serenity

is in general use since the 1990s.

As an adjective determined is

decided; resolute, possessing much determination.

As a verb determined is

(determine).