noun

1. the act of one who goes: usually used in compounds opera-going
2. a leaving; departure
3. the condition of the ground or land as it affects traveling, walking, etc.
4. circumstances affecting progress
5. Slang current situation or course of events in any given area, time, or sphere tough going in the stock market these days

adjective

1. moving; running; working
2. conducting its business successfully a going concern
3. in existence or available the best bet going
4. commonly accepted; current the going rate for plumbers