say it: RUHP-chur
rupture is a noun and verb meaning "state of being torn or burst open". It carries 4 recorded senses.
state of being torn or burst open
a personal or social separation (as between opposing factions)
“they hoped to avoid a break in relations”
the act of making a sudden noisy break
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 rupture 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.