plural of tranquillity

Free from emotional or mental disturbance. / Calm; without motion or sound.

Alternative spelling of tranquilize

The state of being tranquil; peacefulness, the absence of disturbance or stress; serenity; calm.

That which tranquillizes or soothes. / (pharmacology) A drug used to reduce anxiety or tension.

US standard spelling of tranquillity.

plural of tranquillizer

(transitive) To calm (a person or animal) or put them to sleep using a drug. / (transitive, now literary) To make (something or someone) tranquil. / (intransitive, obsolete, rare) To become tranquil.

(US) Alternative spelling of tranquilizer

plural of tranquilizer