sky-rocket noun & verb. ['skʌɪrɒkɪt] Also skyrocket. L17.
[from SKY noun + ROCKET noun³, verb.]
A. noun.
1. A rocket exploding high in the air. L17.
b. transf. An enthusiastic cheer. US slang. M19.

2. A pocket. rhyming slang. L19.
b. verb.
1. verb trans. Cricket. = SKY verb 1. colloq. rare. M19.

2. verb intrans. Rise very steeply and rapidly; esp. (of a price or prices) increase dramatically. L19.
■ A. E. Stevenson The cost of adequate medical care has skyrocketed out of the reach of millions of Americans. Isis Sales rose steadily and then..skyrocketed.

3. verb trans. Propel rapidly forward or upward; increase sharply. E20.
National Observer (US) A disease that skyrocketed my chances of dying.

■ sky-rockety adjective resembling a sky-rocket; rising or increasing sharply: L19.

[TahlilGaran] English Dictionary ▲