Characterized by moral or cultural decline. / Luxuriously self-indulgent.

A person affected by moral decay.

(obsolete) Appropriate; suitable for the circumstances.

A person who lies or deceives. / (usually preceded by "the") Another name for Satan.

(British spelling) Alternative spelling of decentralization

The quality of being decent; propriety. / That which is proper or becoming.

A state of moral or artistic decline or deterioration; decay / The quality of being luxuriously self-indulgent.

US spelling of decalitre

An athletic contest consisting of ten events which includes sprinting, hurdling, jumping, and throwing over a span of two days. / A contest in science and math proving skill.

(transitive) To remove the caffeine from something (especially from coffee).