alternative form of red letter day

Synonym of sun letter

Synonym of moon letter

plural of solar letter

plural of lunar letter

The fact of something being lethal; the ability of something to kill. / The rate of death of organisms exposed to something.

An explosive device sent through the post, triggered to explode when the letter or packet is opened. / (computing) A virus contained within an email or similar file.

A means of execution or of euthanasia in which a person is injected with a fatal dose of drugs.

A letter written about the author's love for the intended reader. / (figuratively) A work that shows great passion or enthusiasm for something.

plural of lethal injection