say it: di-PLOH-muh-see
diplomacy is a noun meaning "negotiation between nations". It carries 3 recorded senses.
negotiation between nations
subtly skillful handling of a situation
wisdom in the management of public affairs
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for diplomacy come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.