say it: in-tur-VEEN
intervene is a verb meaning "get involved, so as to alter or hinder an action, or through force or threat of force". It carries 3 recorded senses.
be placed or located between other things or extend between spaces and events
“This interludes intervenes between the two movements”
“Eight days intervened”
occur between other event or between certain points of time
“the war intervened between the birth of her two children”
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 intervene 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.