say it: stuh-BIL-i-tee
stability is a noun meaning "the quality or attribute of being firm and steadfast". It carries 3 recorded senses.
the quality or attribute of being firm and steadfast
a stable order (especially of society)
the quality of being enduring and free from change or variation
“early mariners relied on the constancy of the trade winds”
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 stability 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.