Having a lot going on; complicated or intricate.
Officious; meddling.
Engaged in activity or by someone else.
Crowded with business or activities; having a great deal going on.
A police officer.
To rush somebody.
To make somebody busy or active; to occupy.
Intricate, involved, entangled, complicated, complex.
A genealogical coefficient of a given genealogical tree; defined as the difference between the number of theoretical ancestors of a person and the number of his/her real ones in a given generation (the degree of pedigree collapse).