say it: di-MEN-shuh-nuhl
dimensional is an adjective meaning "of or relating to dimensions". It carries 2 recorded senses.
of or relating to dimensions
having dimension--the quality or character or stature proper to a person
“never matures as a dimensional character; he is pasty, bland, faceless”
Definitions, synonyms and semantic relations for dimensional 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.