say it: WAWR-fer
warfare is a noun meaning "the waging of armed conflict against an enemy". It carries 2 recorded senses.
the waging of armed conflict against an enemy
“thousands of people were killed in the war”
military
an active struggle between competing entities
“a price war”
“a war of wits”
“diplomatic warfare”
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 warfare 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.