Definitions

1. adjective

extending or involving great effort, energy, or concentration

“She was on an intensive course to learn a new language in a short period of time.”

2. noun

an intensive treatment or program

“The hospital offers intensive care for patients with severe injuries.”

3. adverb

in an intensive manner

“The team played an intensive match, fighting for every point.”

4. verb

to subject to intense mental or physical activity

“The teacher will intensive the students’ learning process for the final exam.”