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in‧ten‧sive

1 involving a lot of activity, effort, or careful attention in a short period of time :
a one-week intensive course in English
a day of intensive negotiations
a one-week intensive course in English
a day of intensive negotiations3 involving or needing a lot of energy, knowledge etc :
a knowledge-intensive industry ➔ capital-intensive, labour-intensive
energy-intensive/knowledge-intensive etc
a knowledge-intensive industry —intensively adverb
