Pecuniary means something relating to money.
It is a Latin word and is thought to have been first used in 1502. Pecuniary is used in various legal writings such as the definition of negligent misrepresentation in Washington State.
Synonyms to pecuniary include fiscal, monetary, and financial. The following are example sentences that use the word pecuniary:
“I have become very obsessed with the pecuniary details of my contract.”
“The mother has little pecuniary sense.”
“The man had a large pecuniary interest in the restaurant.”