radical

very new and different; or extreme in views

आमूल, क्रांतिकारी; कट्टर

Usage

Examples

The internet brought a radical change in how we study.

The 1991 reforms were a radical shift in policy.

Common mistake

He made a radically change to the plan.

He made a radical change to the plan.

Before a noun, use the adjective radical.

Remember: Radical: right down to the roots.