on

prep.

1. upon, in contract with, attached to, suspended from, hung from; around, about.

2. by, near, proximate to, next to, beside, in the direction of.

adv

3. fast, firmly, securely, tightly, for dear life, close, onto.

4. onward, forward, ahead, before one, along, toward, beyond.

5. steadily, without ceasing, unceasingly, without interruption, continually, continuously; perseveringly, doggedly.

6. on and off

intermittently, discontinuously, interruptedly, brokenly; remittently, fitfully, spasmodically.

7. on and on

at great length, unceasingly, continuously, endlessly, interminably.

adj

8. in use, operating, running, going.

9. taking place, occurring, happening, in existence; scheduled, planned, organized.

10. performing, broadcasting, on the air.