|Origin:||diplomatique, from Latin diploma; DIPLOMA|
relating to or involving the work of diplomats:
Diplomatic efforts to end the fighting began on Oct 25.
the arrangement between two countries that each should keep representatives at an embassy in the other's country
establish/break off diplomatic relations
The two countries established diplomatic relations last year.
dealing with people politely and skilfully without upsetting them [= tactful]:
They were always very diplomatic with awkward clients.
a diplomatic answer
Maria handled the situation very diplomatically.