Jactitation is a Janus of a term. One use refers to a restless tossing and turning due to sickness, the other refers to boastful, falsehoods. In English and Irish law, Jactitation specifically refers to the false and maliciously boasting by one party that they are married to another. So next time you’re looking for a word for thrashing sick-folk with a synonym related to matrimonial lies, try jactitation.

Etymology: from Latin jactitare to throw about.

“Her legal advisors pushed her to file a suit for jactitation of marriage against Pendleton, but Marjorie felt a knife in the chest was a more appropriate response. The jactitation she craved was Pendeleton thrashing at her feet in a bloody pool.”