say it: THEE-ur-ahyz
theorize is a verb meaning "to believe especially on uncertain or tentative grounds". It carries 3 recorded senses.
to believe especially on uncertain or tentative grounds
“Scientists supposed that large dinosaurs lived in swamps”
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 theorize 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.