|1.||[ noun ] a message expressing an opinion based on incomplete evidence|
|Synonyms:||guess surmise hypothesis supposition surmisal conjecture|
|Related terms:||opinion divination think estimate speculate guess suspect surmise|
|2.||[ noun ] a hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence)|
"speculations about the outcome of the election" "he dismissed it as mere conjecture"
|Related terms:||hypothesis speculate|
|3.||[ noun ] (business) an investment that is very risky but could yield great profits|
"he knew the stock was a speculation when he bought it"
|Related terms:||investment smart_money gamble pyramid venture|
|4.||[ noun ] (psychology) continuous and profound contemplation or musing on a subject or series of subjects of a deep or abstruse nature|
"the habit of meditation is the basis for all real knowledge"
|Related terms:||contemplation chew_over|