| noun | any venturesome undertaking especially one with an uncertain outcome |
| noun | an investment that is very risky but could yield great profits “he knew the stock was a speculation when he bought it” |
| noun | a commercial undertaking that risks a loss but promises a profit |
| verb | proceed somewhere despite the risk of possible dangers “We ventured into the world of high-tech and bought a supercomputer” |
| verb | put forward, of a guess, in spite of possible refutation “I am guessing that the price of real estate will rise again” |
| verb | put at risk “I will stake my good reputation for this” |
| venture | verb | proceed somewhere despite the risk of possible dangers |
| speculate | verb | invest at a risk |
| venturous | adjective | disposed to venture or take risks |
| venture | noun | any venturesome undertaking especially one with an uncertain outcome |
| venturer | noun | a person who enjoys taking risks |
| guess | noun | an estimate based on little or no information |
| guesser | noun | a person who guesses |
| guessing | noun | an estimate based on little or no information |
| hazard | noun | an unknown and unpredictable phenomenon that causes an event to result one way rather than another |
| adventure | noun | a wild and exciting undertaking (not necessarily lawful) |
| adventurer | noun | a person who enjoys taking risks |
| stake | noun | the money risked on a gamble |
| jeopardy | noun | a source of danger; a possibility of incurring loss or misfortune |