Intensive means having high intensity. An intensive chemistry course meets six days a week for five hours a day. If you're in intensive care, you're getting close medical scrutiny, 24/7.
Intense means extreme––intense runners run marathons. Intense people have strong opinions, which they express forcefully. Intensity means the amount of intense-ness a thing has. If something is low-intensity, you might call it laid back. If something is high-intensity, it's intensive.
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adj |
characterized by a high degree or intensity; often used as a combining form
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2 |
nadj |
a modifier that has little meaning except to intensify the meaning it modifies
tending to give force or emphasis
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