say it: di-FAWR-muh-tee
deformity is a noun meaning "an affliction in which some part of the body is misshapen or malformed". It carries 2 recorded senses.
an affliction in which some part of the body is misshapen or malformed
an appearance that has been spoiled or is misshapen
“there were distinguishing disfigurements on the suspect's back”
“suffering from facial disfiguration”
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 deformity 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.