Yes.
Sailing could be seen as both. Yes it depends what part of sailing you do, if you take it competitively and race then it can be a sport (as it is in the Olympics) or if you just cruise then it can be seen as a sport but it is more of an activity :)
sailing
I think officially it is a sport
Tennis isn't a sport, it is more of a hobby.
sailing isn't an olympic sport its a regular stupid sport like football
As with any other sport, if it is competitive sailing then to beat your opponents, in pleasure sailing then to enjoy yourself
The sport of windsurfing combines both sailing and surfing.
It is a hobby and a sport.
hobby Alan is a loser
The sport of sailing.
sailing
Yes
sailing and gambling were his two main hobbies