crowded with or characterized by much activity; "a very busy week"; "a busy life"; "a busy street"; "a busy seaport"
actively or fully engaged or occupied; "busy with her work"; "a busy man"; "too busy to eat lunch"; "the line is busy"
(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"
overcrowded or cluttered with detail; "a busy painting"; "a fussy design"
keep busy with; "She busies herself with her butterfly collection"
extremely hot; "the fervent heat...merely communicated a genial warmth to their half-torpid systems"- Nathaniel Hawthorne; "set out...when the fervid heat subsides"- Frances Trollope
excessively agitated; transported with rage or other violent emotion; "frantic with anger and frustration"; "frenetic screams followed the accident"; "a frenzied look in his eye"
any small or medium-sized cat resembling the domestic cat and living in the wild
(of a mine or oil well) drilled speculatively in an area not known to be productive; "drilling there would be strictly a wildcat operation"; "a wildcat mine"; "wildcat drilling"; "wildcat wells"
outside the bounds of legitimate or ethical business practices; "wildcat currency issued by irresponsible banks"; "wildcat stock speculation"; "a wildcat airline"; "wildcat life insurance schemes"