being a grave or serious matter

If someone guarantees or asserts something as fact, they _________ it.

Harbinger is a

"The beauty of the world, the paragon of animals!" What word could be used in place of the underlined word?

Polonius and Laertes don't think Hamlet really loves Ophelia. She believes her love is ___________?

Jocund

made falsely with intent to deceive

a romantic relationship that is brief

Synonyms of this word include lethal, deathly, murderous