dip ‧ lo ‧ mat /ˈdɪpləmæt/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: diplomate , from diplomatique ; ⇨ ↑ diplomatic ]
1 . someone who officially represents their government in a foreign country ⇨ ambassador :
French diplomats
2 . someone who is good at dealing with people without upsetting them