intensive

US /ɪnˈten.sɪv/
UK /ɪnˈten.sɪv/
"intensive" picture
1.

concentrated on a single area or subject or into a short time; very thorough or vigorous.

:
The course provides intensive training in computer programming.
She underwent intensive therapy after the accident.
2.

(of a system or method) aiming to achieve maximum output or effect with minimum input.

:
The farm uses intensive farming methods to maximize crop yield.
The company implemented an intensive marketing campaign.