rad
/ræd/
adjective
- Excellent, cool, or impressive (informal, often used by younger speakers).
- That skateboard trick was totally rad!
- We had a rad time at the concert last night.
- Your new phone is rad — where did you get it?
Antonyms
noun
- Short for radian, a unit for measuring angles in mathematics.
- A full circle is equal to 2π rad.
- The angle was measured as 1.5 rad in the math problem.
- Convert 90 degrees to rad for the calculation.