say it: speh-kyuh-LAY-shuhn
speculation is a noun meaning "a message expressing an opinion based on incomplete evidence". It carries 4 recorded senses.
a message expressing an opinion based on incomplete evidence
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”
an investment that is very risky but could yield great profits
“he knew the stock was a speculation when he bought it”
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”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for speculation come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.