say it: BIZ-ee
busy is an adjective and verb meaning "actively or fully engaged or occupied". It carries 6 recorded senses.
intrusive in a meddling or offensive manner
“an interfering old woman”
“bustling about self-importantly making an officious nuisance of himself”
“busy about other people's business”
crowded with or characterized by much activity
“a very busy week”
“a busy life”
“a busy street”
“a busy seaport”
(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
“her line is busy”
“receptionists' telephones are always engaged”
“the lavatory is in use”
“kept getting a busy signal”
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 busy 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.