intensive

Từ điển Oxford Advanced Learner 8th

in·ten·sive AW BrE [ɪnˈtensɪv] NAmE [ɪnˈtensɪv] adjective
1. involving a lot of work or activity done in a short time
•an intensive language course
•two weeks of intensive training
•intensive diplomatic negotiations
2. extremely thorough; done with a lot of care
•His disappearance has been the subject of intensive investigation.
3. (of methods of farming)aimed at producing as much food as possible using as little land or as little money as possible
•Traditionally reared animals grow more slowly than those reared under intensive farming conditions.
•intensive agriculture
see also ↑capital-intensive, ↑labour-intensive
Derived Word: ↑intensively

Word Origin:
[intensive intensively] late Middle English (in the sense ‘vehement, intense’): from French intensif, -ive or medieval Latin intensivus, from intendere ‘intend, extend, direct’, from in- ‘towards’ + tendere ‘stretch, tend’.

Example Bank:
•highly intensive courses for business and professional people