Definition of jeremiahs:
(n) :
A male given name from Hebrew of biblical origin.
(n) :
(Abrahamism, biblical) An ancient prophet, the author of the Book of Jeremiah, and of the Lamentations.
(n) :
(biblical) A book of the Old Testament of Bible, and of the Tanakh.
(n) :
A person who is pessimistic about the present and foresees a calamitous future; a prophet of doom.