Look at the following sentences :
(1) At present, he is in pecuniary difficulties.
What is the meaning of pecuniary here?
(2) The bodies were mangled in a terrible manner.
What is the meaning of mangle here?
(3) The poor debtor intended to pay back every penny of the money.
What is the meaning of penny here?
(4) Don't do things by halves.
What is the meaning of halves here?