say it: di-MAHN-struh-tiv
demonstrative is an adjective and noun meaning "given to or marked by the open expression of emotion". It carries 3 recorded senses.
given to or marked by the open expression of emotion
“an affectionate and demonstrative family”
serving to demonstrate
a pronoun that points out an intended referent
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 demonstrative 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.