One person's risk is another's gamble.
You say I am getting caught up in semantics. Your statement on risk is false. Gambling has a net negative return. In a gamble you simply cannot beat the house. The deck is stacked against you. That is the Marxist view and the excuse for their intervention in liberty.
They believe the free market deck is stacked and try to convince people to see it that way.
Here is another quote for you: An investment operation is one which, upon thorough analysis, promises safety of principal and an adequate return. Operations not meeting these requirements are speculative. - Benjamin Graham
I’m not going to have a dictionary debate.